Cita APA

Arnaud Gerkens, J. (1989). Foundation of exploration geographics. Elsevier.

Citación estilo Chicago

Arnaud Gerkens, J..C.d. Foundation of Exploration Geographics. New York: Elsevier, 1989.

Cita MLA

Arnaud Gerkens, J..C.d. Foundation of Exploration Geographics. Elsevier, 1989.

Warning: These citations may not always be 100% accurate.