APA (7th ed.) Citation

Universitaet Bonn, Geographisches Institut. (1947). Erdkunde. Dummlers Verlag Ferd.

Chicago Style (17th ed.) Citation

Universitaet Bonn, Geographisches Institut. Erdkunde. Bonn, Alemanha: Dummlers Verlag Ferd, 1947.

MLA (8th ed.) Citation

Universitaet Bonn, Geographisches Institut. Erdkunde. Dummlers Verlag Ferd, 1947.

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