APA (7th ed.) Citation

Columbus, C., & Erb, R. (1980). Schiffstagebuch (o. A.). Philipp Reclam jun..

Chicago Style (17th ed.) Citation

Columbus, Christoph, and Roland Erb. Schiffstagebuch. o. A. Leipzig: Philipp Reclam jun., 1980.

MLA (8th ed.) Citation

Columbus, Christoph, and Roland Erb. Schiffstagebuch. o. A. Philipp Reclam jun., 1980.

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