Registro de Citas

Cita APA (7a ed.)
Simpson George. (1953). Life of the past: An introduction to paleontology. Yale University.
Cita Chicago Style (17a ed.)
Simpson George. Life of the Past: An Introduction to Paleontology. New Haven: Yale University, 1953.
Cita MLA (9a ed.)
Simpson George. Life of the Past: An Introduction to Paleontology. Yale University, 1953.
Precaución: Estas citas no son 100% exactas.