एपीए उद्धरण

Tonn, R. J., Hunter, G. W., Alfaro, M., Zúñiga, J. A., & Redmond, D. L. (1964). Seasonal incidence of larval Trematodes in Costa Rica.

शिकागो स्टाइल उद्धरण

Tonn, R. J., G. W. Hunter, M. Alfaro, J. A. Zúñiga, और Donna L. Redmond. Seasonal Incidence of Larval Trematodes in Costa Rica. 1964.

एमएलए उद्धरण

Tonn, R. J., et al. Seasonal Incidence of Larval Trematodes in Costa Rica. 1964.