Cita APA

Eisermann, K., & Schulz, U. (2005). Birds of a high-altitude cloud forest in Alta Verapaz, Guatemala.

Chicago Style Citation

Eisermann, Knut, i Ulrich Schulz. Birds of a High-altitude Cloud Forest in Alta Verapaz, Guatemala. 2005.

Cita MLA

Eisermann, Knut, i Ulrich Schulz. Birds of a High-altitude Cloud Forest in Alta Verapaz, Guatemala. 2005.

Atenció: Aquestes cites poden no estar 100% correctes.