Cita APA (7th ed.)

Fule, P. Z., & Covington, W. W. (1997). Fire regimes and forest structure in the Sierra Madre Occidental, Durango, Mexico. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Fule, Peter Z., i W. Wallace Covington. Fire Regimes and Forest Structure in the Sierra Madre Occidental, Durango, Mexico. Instituto de Ecología, A.C, 1997.

Cita MLA (9th ed.)

Fule, Peter Z., i W. Wallace Covington. Fire Regimes and Forest Structure in the Sierra Madre Occidental, Durango, Mexico. Instituto de Ecología, A.C, 1997.