APA (7th ed.) Citation

Standley, P. c. (1930). Flora of Yucatan. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Standley, Paul c. Flora of Yucatan. Chicago: Field Museum of Natural History, 1930.

MLA (9th ed.) Citation

Standley, Paul c. Flora of Yucatan. Field Museum of Natural History, 1930.

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