APA (7th ed.) Citation

Smithsonian Institution. (1922). Trees and shrubs of Mexico (Fagaceae-Fabaceae). GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Trees and Shrubs of Mexico (Fagaceae-Fabaceae). [Washington]: GPO, 1922.

MLA (9th ed.) Citation

Smithsonian Institution. Trees and Shrubs of Mexico (Fagaceae-Fabaceae). GPO, 1922.

Warning: These citations may not always be 100% accurate.