Cita APA

Beers, T. W., Husch, B., & Kershaw, J. A. (2004). Forest mensuration (4.).

Citación estilo Chicago

Beers, Thomas W., Bertram Husch, and John A. Kershaw. Forest Mensuration. 4. NewYork, JhonWiley & Sons, 2004.

Cita MLA

Beers, Thomas W., et al. Forest Mensuration. 4. 2004.