APA (7th ed.) Citation

Bench, G. N., Morris, R., & Downing, E. R. (1955). Learning guide in biology. Lyons & Carnahan.

Chicago Style (17th ed.) Citation

Bench, Gerald N., Ruth Morris, and Elliot Rowland Downing. Learning Guide in Biology. Chicago: Lyons & Carnahan, 1955.

MLA (8th ed.) Citation

Bench, Gerald N., et al. Learning Guide in Biology. Lyons & Carnahan, 1955.