एपीए उद्धरण

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.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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