Cita APA (7a ed.)

Güller, M., Zelaya, D., & Ituarte, C. How many Siphonaria species (Gastropoda: Euthyneura) live in southern South America?

Cita Chicago Style (17a ed.)

Güller, M., D.G Zelaya, y C. Ituarte. How Many Siphonaria Species (Gastropoda: Euthyneura) Live in Southern South America?

Cita MLA (8a ed.)

Güller, M., et al. How Many Siphonaria Species (Gastropoda: Euthyneura) Live in Southern South America?