APA (7th ed.) Citation

Olsen, O. W. (1967). Animal parasites: Their biology and life cycles (Second edition.). Burgess Pub. Co..

Chicago Style (17th ed.) Citation

Olsen, O. Wilford. Animal Parasites: Their Biology and Life Cycles. Second edition. Minneapolis: Burgess Pub. Co., 1967.

MLA (9th ed.) Citation

Olsen, O. Wilford. Animal Parasites: Their Biology and Life Cycles. Second edition. Burgess Pub. Co., 1967.

Warning: These citations may not always be 100% accurate.