APA aipamena

Pérez, E., Müller, E., Soderquist, L., Rodrigues Martínez, H., & Chacón, J. (1999). Breeding soundness evaluation of extensively managed bulls in Costa Rica.

Chicago Style aipamena

Pérez, E., E. Müller, L. Soderquist, H. Rodrigues Martínez, y Jorge Chacón. Breeding Soundness Evaluation of Extensively Managed Bulls in Costa Rica. 1999.

MLA aipamena

Pérez, E., et al. Breeding Soundness Evaluation of Extensively Managed Bulls in Costa Rica. 1999.