APA (7th ed.) Citation

Troll, C. (1947). Erdkunde : archive for scientific geography / founded by Carl Troll: Archive for scientific geography. Geographisches Inst.

Chicago Style (17th ed.) Citation

Troll, Carl. Erdkunde : Archive for Scientific Geography / Founded by Carl Troll: Archive for Scientific Geography. Bonn: Geographisches Inst, 1947.

MLA (8th ed.) Citation

Troll, Carl. Erdkunde : Archive for Scientific Geography / Founded by Carl Troll: Archive for Scientific Geography. Geographisches Inst, 1947.

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