APA (7th ed.) Citation

Clark, M. E. (1973). Contemporary biology; concepts and implications. Saunders.

Chicago Style (17th ed.) Citation

Clark, Mary E. Contemporary Biology; Concepts and Implications. Philadelphia: Saunders, 1973.

MLA (9th ed.) Citation

Clark, Mary E. Contemporary Biology; Concepts and Implications. Saunders, 1973.

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