APA (7th ed.) Citation

Clow, D. J., & Urquhart, N. S. (1974). Mathematics in biology: Calculus and related topics (Preliminary ed.). Norton.

Chicago Style (17th ed.) Citation

Clow, Duane J., and N. Scott Urquhart. Mathematics in Biology: Calculus and Related Topics. Preliminary ed. New York: Norton, 1974.

MLA (9th ed.) Citation

Clow, Duane J., and N. Scott Urquhart. Mathematics in Biology: Calculus and Related Topics. Preliminary ed. Norton, 1974.