Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Hagedorn, H. (1975). The African map in the 18th and 19th centuries. Egyptian Geological Survey and Mining Authority.

Chicago Citation Edition Citation

Hagedorn, Horst. The African Map in the 18th and 19th Centuries. Cairo: Egyptian Geological Survey and Mining Authority, 1975.

MLA Citation Edition Citation

Hagedorn, Horst. The African Map in the 18th and 19th Centuries. Egyptian Geological Survey and Mining Authority, 1975.