APA način citiranja

A. Vargas, J., & Solano, S. (2011). On Mellitella stokesii and Amphipholis geminata (Echinodermata), from an intertidal flat in the upper Gulf of Nicoya estuary, Pacific, Costa Rica.

Čikaški stil citiranja

A. Vargas, José, i Sylvia Solano. On Mellitella Stokesii and Amphipholis Geminata (Echinodermata), From an Intertidal Flat in the Upper Gulf of Nicoya Estuary, Pacific, Costa Rica. 2011.

MLA način citiranja

A. Vargas, José, i Sylvia Solano. On Mellitella Stokesii and Amphipholis Geminata (Echinodermata), From an Intertidal Flat in the Upper Gulf of Nicoya Estuary, Pacific, Costa Rica. 2011.