Cita APA (7a ed.)

Pérez-Barbería, F. J. (1997). Sex, seasonal and spatial differences in the diet of Cantabrian chamois Rupicapra pyrenaica parva. [s.n.].

Cita Chicago Style (17a ed.)

Pérez-Barbería, F. Javier. Sex, Seasonal and Spatial Differences in the Diet of Cantabrian Chamois Rupicapra Pyrenaica Parva. [S.l.]: [s.n.], 1997.

Cita MLA (9a ed.)

Pérez-Barbería, F. Javier. Sex, Seasonal and Spatial Differences in the Diet of Cantabrian Chamois Rupicapra Pyrenaica Parva. [s.n.], 1997.