Cita APA (7a ed.)

Ramírez Llorens, P., & Bellocq, M. I. (2007). New records clarify the southern distribution of the Spectacled Owl (Pulsatrix perspicillata).

Cita Chicago Style (17a ed.)

Ramírez Llorens, Patricio, y Maria Isabel Bellocq. New Records Clarify the Southern Distribution of the Spectacled Owl (Pulsatrix Perspicillata). 2007.

Cita MLA (8a ed.)

Ramírez Llorens, Patricio, y Maria Isabel Bellocq. New Records Clarify the Southern Distribution of the Spectacled Owl (Pulsatrix Perspicillata). 2007.