APA (7th ed.) Citation

Holdridge, L. R. (1971). Forest environments in tropical life zones: A pilot study (1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Holdridge, L. R. Forest Environments in Tropical Life Zones: A Pilot Study. 1st ed.]. Oxford, New York: Pergamon Press, 1971.

MLA (9th ed.) Citation

Holdridge, L. R. Forest Environments in Tropical Life Zones: A Pilot Study. 1st ed.]. Pergamon Press, 1971.