Cita APA (7a ed.)

Varela, R., Stipp Basei, M. A., Brito Neves, B. B., Sato, A. M., Teixeira, W., Cingolani, C. A., & Siga Jr., O. (1999). Isotopic study of igneous and metamorphic rocks of Comallo-Paso Flores, Río Negro, Argentina.

Cita Chicago Style (17a ed.)

Varela, Ricardo, Miguel Angelo Stipp Basei, Benjamín B. Brito Neves, Ana María Sato, Wilson Teixeira, Carlos Alberto Cingolani, y Oswaldo Siga Jr. Isotopic Study of Igneous and Metamorphic Rocks of Comallo-Paso Flores, Río Negro, Argentina. 1999.

Cita MLA (8a ed.)

Varela, Ricardo, et al. Isotopic Study of Igneous and Metamorphic Rocks of Comallo-Paso Flores, Río Negro, Argentina. 1999.