Cita APA

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

Citación estilo Chicago

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

Cita MLA

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