APA (7th ed.) Citation

Hunter, G. W. (1911). Essentials of biology presented in problems: By George William Hunter. American book company.

Chicago Style (17th ed.) Citation

Hunter, George W. Essentials of Biology Presented in Problems: By George William Hunter. New York Cincinnati [etc.]: American book company, 1911.

MLA (9th ed.) Citation

Hunter, George W. Essentials of Biology Presented in Problems: By George William Hunter. American book company, 1911.