APA (7th ed.) Citation

Fryxell, P. A. (1988). Malvaceae of Mexico. American Soc. of Plant Taxonomists.

Chicago Style (17th ed.) Citation

Fryxell, Paul A. Malvaceae of Mexico. Ann Arbor, Mich: American Soc. of Plant Taxonomists, 1988.

MLA (9th ed.) Citation

Fryxell, Paul A. Malvaceae of Mexico. American Soc. of Plant Taxonomists, 1988.