एपीए उद्धरण

Sittenfeld, A., Vargas, M., Sánchez, E., Mora, M., & Serrano, A. (2004). Anew species of euglena isolated from a hot and acid mud pool located in Las Pailas de Barro, Volcán Rincón de la Vieja, Costa Rica.

शिकागो स्टाइल उद्धरण

Sittenfeld, Ana, Maribelle Vargas, Ethel Sánchez, Marielos Mora, और Aurelio Serrano. Anew Species of Euglena Isolated From a Hot and Acid Mud Pool Located in Las Pailas De Barro, Volcán Rincón De La Vieja, Costa Rica. 2004.

एमएलए उद्धरण

Sittenfeld, Ana, et al. Anew Species of Euglena Isolated From a Hot and Acid Mud Pool Located in Las Pailas De Barro, Volcán Rincón De La Vieja, Costa Rica. 2004.