Cita APA (7a ed.)

Dalla Salda, L. H., Cingolani, C. A., & Varela, R. (1992). Early Paleozoic orogenic belt of the Andes in southwestern South America: Result of Laurentia-Gondwana collision?

Cita Chicago Style (17a ed.)

Dalla Salda, Luis Hugo, Carlos Alberto Cingolani, y Ricardo Varela. Early Paleozoic Orogenic Belt of the Andes in Southwestern South America: Result of Laurentia-Gondwana Collision? 1992.

Cita MLA (8a ed.)

Dalla Salda, Luis Hugo, et al. Early Paleozoic Orogenic Belt of the Andes in Southwestern South America: Result of Laurentia-Gondwana Collision? 1992.