APA (7th ed.) Citation

Holdridge, L. R. (1967). Life zone ecology: With photographic supplement (Rev. ed.). Tropical Science Center.

Chicago Style (17th ed.) Citation

Holdridge, L. R. Life Zone Ecology: With Photographic Supplement. Rev. ed. San Jose, Costa Rica: Tropical Science Center, 1967.

MLA (9th ed.) Citation

Holdridge, L. R. Life Zone Ecology: With Photographic Supplement. Rev. ed. Tropical Science Center, 1967.