APA (7th ed.) Citation

Wiard, l. A. (1987). An introduction to the orchids of Mexico (1. publ.). Comstock Publ. Assoc.

Chicago Style (17th ed.) Citation

Wiard, leon A. An Introduction to the Orchids of Mexico. 1. publ. Ithaca u.a: Comstock Publ. Assoc, 1987.

MLA (9th ed.) Citation

Wiard, leon A. An Introduction to the Orchids of Mexico. 1. publ. Comstock Publ. Assoc, 1987.

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