APA (7th ed.) Citation

Zobel, B., Van Wyk, G., & Stahl, P. (1987). Growing exotic forests. Wiley.

Chicago Style (17th ed.) Citation

Zobel, Bruce, Gerrit Van Wyk, and Per Stahl. Growing Exotic Forests. New York: Wiley, 1987.

MLA (9th ed.) Citation

Zobel, Bruce, et al. Growing Exotic Forests. Wiley, 1987.