APA aipamena

Perez, E., Kummeling, A., Janssen, M., Alvarado, R., Donado, P., Dwinger, R., . . . Jiménez Sánchez, C. (1997). Infectious agents associated with diarrhoea of calves in the canton of Tilarán, Costa Rica.

Chicago Style aipamena

Perez, E., A. Kummeling, M.M.H Janssen, R. Alvarado, P. Donado, R.H Dwinger, Magally Caballero, y Carlos Jiménez Sánchez. Infectious Agents Associated With Diarrhoea of Calves in the Canton of Tilarán, Costa Rica. 1997.

MLA aipamena

Perez, E., et al. Infectious Agents Associated With Diarrhoea of Calves in the Canton of Tilarán, Costa Rica. 1997.