Cita APA (7a ed.)

Culver, H. E. (1919). The coal fields of southwestern Washington. F.M. Lamborn, public printer.

Cita Chicago Style (17a ed.)

Culver, Harold Eugene. The Coal Fields of Southwestern Washington. Olympia: F.M. Lamborn, public printer, 1919.

Cita MLA (8a ed.)

Culver, Harold Eugene. The Coal Fields of Southwestern Washington. F.M. Lamborn, public printer, 1919.

Precaución: Estas citas no son 100% exactas.