APA citiranje

Servín, J. (2000). Duration and frecuency of chorus howling of the mexican wolf (Canis lupus baileyi). Instituto de Ecología, A.C.

Chicago Style (17th ed.) Citation

Servín, Jorge. Duration and Frecuency of Chorus Howling of the Mexican Wolf (Canis Lupus Baileyi). Instituto de Ecología, A.C, 2000.

MLA citiranje

Servín, Jorge. Duration and Frecuency of Chorus Howling of the Mexican Wolf (Canis Lupus Baileyi). Instituto de Ecología, A.C, 2000.