APA

(1968). Van Nostrand's scientific encyclopedia: aeronautics, astronomy, botany, chemical engineering, chemistry, civil engineering, electrical engineering, electronics, geology, guided missles, mathematics, mechanical engineering, medicine, metallurgy, meteorology, mineralogy, navigation, nuclear science & engineering, photography, physics, radio & television, statistics, zoology. Princeton, N.J: Van Nostrand.

Chicago

1968. Van Nostrand's scientific encyclopedia: aeronautics, astronomy, botany, chemical engineering, chemistry, civil engineering, electrical engineering, electronics, geology, guided missles, mathematics, mechanical engineering, medicine, metallurgy, meteorology, mineralogy, navigation, nuclear science & engineering, photography, physics, radio & television, statistics, zoology. Princeton, N.J: Van Nostrand.

Harvard

(1968). Van Nostrand's scientific encyclopedia: aeronautics, astronomy, botany, chemical engineering, chemistry, civil engineering, electrical engineering, electronics, geology, guided missles, mathematics, mechanical engineering, medicine, metallurgy, meteorology, mineralogy, navigation, nuclear science & engineering, photography, physics, radio & television, statistics, zoology. Princeton, N.J: Van Nostrand.

MLA

Van Nostrand's scientific encyclopedia: aeronautics, astronomy, botany, chemical engineering, chemistry, civil engineering, electrical engineering, electronics, geology, guided missles, mathematics, mechanical engineering, medicine, metallurgy, meteorology, mineralogy, navigation, nuclear science & engineering, photography, physics, radio & television, statistics, zoology. Princeton, N.J: Van Nostrand. 1968.