Cita APA

Singer, R. (1999). Encyclopaedia of paleontology. Fitzroy Dearborn.

Citación estilo Chicago

Singer, Ronald. Encyclopaedia of Paleontology. Chicago: Fitzroy Dearborn, 1999.

Cita MLA

Singer, Ronald. Encyclopaedia of Paleontology. Fitzroy Dearborn, 1999.