Cita APA

Crichton, J. S., & Rae, G. (1958). Balckboard drawing for geography. London, [etc.]: Thomas Nelson and Sons.

Citación estilo Chicago

Crichton, J. Stewart, and Gordon Rae. Balckboard Drawing for Geography. London, [etc.]: Thomas Nelson and Sons, 1958.

Cita MLA

Crichton, J. Stewart, and Gordon Rae. Balckboard Drawing for Geography. London, [etc.]: Thomas Nelson and Sons, 1958.

Precaución: Estas citas no son 100% exactas.