APA (7th ed.) Citation

Kaufman, P. B., & LaCroix, J. D. (1979). Plants, people and environment. Macmillan.

Chicago Style (17th ed.) Citation

Kaufman, Peter B., and J. Donald LaCroix. Plants, People and Environment. New York: Macmillan, 1979.

MLA (9th ed.) Citation

Kaufman, Peter B., and J. Donald LaCroix. Plants, People and Environment. Macmillan, 1979.