Cita APA

Fryxell, P. A. A revision of the american species of Hibiscus Section Bombicella (Malvaceae). Washington, D.C.: Sciencie and Education Administration.

Citación estilo Chicago

Fryxell, Paul A. A Revision of the American Species of Hibiscus Section Bombicella (Malvaceae). Washington, D.C.: Sciencie and Education Administration.

Cita MLA

Fryxell, Paul A. A Revision of the American Species of Hibiscus Section Bombicella (Malvaceae). Washington, D.C.: Sciencie and Education Administration.