APA (7th ed.) Citation

Yuncker, T. G. (1938). A contribution to the flora of Honduras. [publisher not identified].

Chicago Style (17th ed.) Citation

Yuncker, T. G. A Contribution to the Flora of Honduras. Chicago: [publisher not identified], 1938.

MLA (9th ed.) Citation

Yuncker, T. G. A Contribution to the Flora of Honduras. [publisher not identified], 1938.

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