APA (7th ed.) Citation

Gentry, H. S. (1942). Rio Mayo plants: A study of the flora and vegetation of the valley of the Rio Mayo, Senora. [publisher not identified].

Chicago Style (17th ed.) Citation

Gentry, Howard Scott. Rio Mayo Plants: A Study of the Flora and Vegetation of the Valley of the Rio Mayo, Senora. Washington, D.C.: [publisher not identified], 1942.

MLA (9th ed.) Citation

Gentry, Howard Scott. Rio Mayo Plants: A Study of the Flora and Vegetation of the Valley of the Rio Mayo, Senora. [publisher not identified], 1942.