APA (7th ed.) Citation

Smith, E. T. (1954). Exploring biology (4th ed.). Harcourt, Brace.

Chicago Style (17th ed.) Citation

Smith, Ella Thea. Exploring Biology. 4th ed. New York: Harcourt, Brace, 1954.

MLA (8th ed.) Citation

Smith, Ella Thea. Exploring Biology. 4th ed. Harcourt, Brace, 1954.