Cita APA (7a ed.)

Luttrell, C. T. (2001). Three fossil discoveries in Washington Territory and their histories, 1876 to present.

Cita Chicago Style (17a ed.)

Luttrell, Charles T. Three Fossil Discoveries in Washington Territory and Their Histories, 1876 to Present. 2001.

Cita MLA (8a ed.)

Luttrell, Charles T. Three Fossil Discoveries in Washington Territory and Their Histories, 1876 to Present. 2001.

Precaución: Estas citas no son 100% exactas.