APA (7th ed.) Citation

Hawley, R. C., & Smith, D. M. (1954). The practice of silviculture (6. ed.). Wiley [u.a.].

Chicago Style (17th ed.) Citation

Hawley, Ralph Chipman, and David M. Smith. The Practice of Silviculture. 6. ed. New York, NY: Wiley [u.a.], 1954.

MLA (9th ed.) Citation

Hawley, Ralph Chipman, and David M. Smith. The Practice of Silviculture. 6. ed. Wiley [u.a.], 1954.