Cita APA (7th ed.)

Pérez-Calix, E., Guadián-Marín, J. I., & García-Ruiz, I. (2018). Pachyphytum confusum (Crassulaceae), a new species from the southwest of the state of Guanajuato, Mexico. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Pérez-Calix, Emmanuel, Jesús Israel Guadián-Marín, i Ignacio García-Ruiz. Pachyphytum Confusum (Crassulaceae), a New Species from the Southwest of the State of Guanajuato, Mexico. Instituto de Ecología, A.C, 2018.

Cita MLA (9th ed.)

Pérez-Calix, Emmanuel, et al. Pachyphytum Confusum (Crassulaceae), a New Species from the Southwest of the State of Guanajuato, Mexico. Instituto de Ecología, A.C, 2018.