Cita APA (7a ed.)

Spikermann, J. P., Strelin, J. A., & Morelli, J. (1992). Geology and petrology of the plutons of Tapera de Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province.

Cita Chicago Style (17a ed.)

Spikermann, Juan Pedro, Jorge Adrián Strelin, y J.R Morelli. Geology and Petrology of the Plutons of Tapera De Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province. 1992.

Cita MLA (8a ed.)

Spikermann, Juan Pedro, et al. Geology and Petrology of the Plutons of Tapera De Burgos, Arroyo El Rapido and Cerro Caquel Languineo Department, Chubut Province. 1992.