APA引文

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.

Citación estilo Chicago

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引文

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