एपीए उद्धरण

Spampinato, L., Salerno, G. G., Martin, R. S., Sawyer, G. M., Oppenheimer, C., Ilyinskaya, E., & Ramírez, C. (2009). Thermal and geochemical signature of Poás Volcano, Costa Rica (MARCH 2009).

शिकागो स्टाइल उद्धरण

Spampinato, Letizia, Giuseppe G. Salerno, Robert S. Martin, Georgina M. Sawyer, Clive Oppenheimer, Evgenia Ilyinskaya, और Carlos Ramírez. Thermal and Geochemical Signature of Poás Volcano, Costa Rica (MARCH 2009). 2009.

एमएलए उद्धरण

Spampinato, Letizia, et al. Thermal and Geochemical Signature of Poás Volcano, Costa Rica (MARCH 2009). 2009.