APA (7th ed.) Citation

Otto, J. H., Towle, A., & Bradley, J. V. (1981). Modern biology (1st Canadian ed.). Holt, Rinehart and Winston.

Chicago Style (17th ed.) Citation

Otto, James H., Albert Towle, and James V. Bradley. Modern Biology. 1st Canadian ed. Toronto: Holt, Rinehart and Winston, 1981.

MLA (9th ed.) Citation

Otto, James H., et al. Modern Biology. 1st Canadian ed. Holt, Rinehart and Winston, 1981.