Cita APA (7a ed.)

Pérez Verdín, G., Lee, M. E., & Chavez, D. J. (2016). Planning forest recreation in natural protected areas of southern Durango, Mexico. Instituto de Ecología, A.C.

Cita Chicago Style (17a ed.)

Pérez Verdín, Gustavo, Martha E. Lee, y Deborah J. Chavez. Planning Forest Recreation in Natural Protected Areas of Southern Durango, Mexico. Instituto de Ecología, A.C, 2016.

Cita MLA (9a ed.)

Pérez Verdín, Gustavo, et al. Planning Forest Recreation in Natural Protected Areas of Southern Durango, Mexico. Instituto de Ecología, A.C, 2016.