Cita APA (7a ed.)

Ramos, V. A., & Keppie, J. D. (1999). LAURENTIA-Gondwana connections before Pangea. The Geological Society of America.

Cita Chicago Style (17a ed.)

Ramos, Víctor Alberto, y J. Duncan Keppie. LAURENTIA-Gondwana Connections Before Pangea. Boulder, Col.: The Geological Society of America, 1999.

Cita MLA (8a ed.)

Ramos, Víctor Alberto, y J. Duncan Keppie. LAURENTIA-Gondwana Connections Before Pangea. The Geological Society of America, 1999.