APA (7th ed.) Citation

Crockett, J. U., Tanner, O., & Crist, R. (1977). Herbs. Time-Life Books.

Chicago Style (17th ed.) Citation

Crockett, James Underwood, Ogden Tanner, and Richard Crist. Herbs. Alexandria, Va.: Time-Life Books, 1977.

MLA (9th ed.) Citation

Crockett, James Underwood, et al. Herbs. Time-Life Books, 1977.