APA

Patten B. M., . (1968). Human embryology. New York: Blakiston Division, McGraw-Hill.

Chicago

Patten Bradley M, . 1968. Human embryology. New York: Blakiston Division, McGraw-Hill.

Harvard

Patten B. M., . (1968). Human embryology. New York: Blakiston Division, McGraw-Hill.

MLA

Patten Bradley M, . Human embryology. New York: Blakiston Division, McGraw-Hill. 1968.