Cita APA

Tortello, M. F., & Esteban, S. B. (2014). Early Ordovician trilobites from the Nazareno Area, northwestern Argentina.

Citación estilo Chicago

Tortello, Marcelo Franco, y Susana Beatriz Esteban. Early Ordovician Trilobites From the Nazareno Area, Northwestern Argentina. 2014.

Cita MLA

Tortello, Marcelo Franco, y Susana Beatriz Esteban. Early Ordovician Trilobites From the Nazareno Area, Northwestern Argentina. 2014.