Style de citation APA

Boehm, R. G. (2002). Geography the World and it's People volume 1. McGraw - HillCompanies, Inc.

Style de citation Chicago

Boehm, Richard G. Geography the World and It's People Volume 1. McGraw - HillCompanies, Inc, 2002.

Style de citation MLA

Boehm, Richard G. Geography the World and It's People Volume 1. McGraw - HillCompanies, Inc, 2002.

Attention : ces citations peuvent ne pas être correctes à 100%.