APA

Machovina P. E., . (1950). A manual for the slide rule. New York: McGraw-Hill.

Chicago

Machovina Paul E, . 1950. A manual for the slide rule. New York: McGraw-Hill.

Harvard

Machovina P. E., . (1950). A manual for the slide rule. New York: McGraw-Hill.

MLA

Machovina Paul E, . A manual for the slide rule. New York: McGraw-Hill. 1950.