APA aipamena

SERNA, M. A. E., Ferrari, A. R. L., Romero, J. C., & CHOLEWA, A. F. (2001). Two new species of Mexican Iridaceae.

Chicago Style aipamena

SERNA, MARIO ADOLFO ESPEJO, Ana Rosa López Ferrari, Jacqueline Ceja Romero, and ANITA F. CHOLEWA. Two New Species of Mexican Iridaceae. 2001.

MLA aipamena

SERNA, MARIO ADOLFO ESPEJO, et al. Two New Species of Mexican Iridaceae. 2001.