APA (7th ed.) Citation

Smith, E. T. (1943). Exploring biology (New ed.). Harcourt, Brace.

Chicago Style (17th ed.) Citation

Smith, Ella T. Exploring Biology. New ed. New York [u.a.]: Harcourt, Brace, 1943.

MLA (9th ed.) Citation

Smith, Ella T. Exploring Biology. New ed. Harcourt, Brace, 1943.