APA (7th ed.) Citation

Smith, G. M., Gilbert, E. M., Evans, R. I., Duggar, B. M., Bryan, G. S., & Allen, C. E. (1942). A textbook of general botany (4th ed.). The Macmillan company.

Chicago Style (17th ed.) Citation

Smith, Gilbert Morgan, Edward M. Gilbert, Richard Irving Evans, Benjamin M. Duggar, George S. Bryan, and Charles E. Allen. A Textbook of General Botany. 4th ed. New York: The Macmillan company, 1942.

MLA (9th ed.) Citation

Smith, Gilbert Morgan, et al. A Textbook of General Botany. 4th ed. The Macmillan company, 1942.