APA aipamena

Zamudio Ruiz, S., & Sanchez Martinez, E. (1995). A new species of Agave from subgenera Littaea (Agavaceae) from The Sierra Madre Oriental, Mexico. Instituto de Ecología, A.C.

Chicago Style aipamena

Zamudio Ruiz, Sergio, and Emiliano Sanchez Martinez. A New Species of Agave from Subgenera Littaea (Agavaceae) from The Sierra Madre Oriental, Mexico. Instituto de Ecología, A.C, 1995.

MLA aipamena

Zamudio Ruiz, Sergio, and Emiliano Sanchez Martinez. A New Species of Agave from Subgenera Littaea (Agavaceae) from The Sierra Madre Oriental, Mexico. Instituto de Ecología, A.C, 1995.