APA (7th ed.) Citation

Colombo, C., & Jacob, E. G. (1956). Christoph Columbus: Bordbuch, Briefe, Berichte, Dokumente. Schünemann.

Chicago Style (17th ed.) Citation

Colombo, Cristoforo, and Ernst Gerhard Jacob. Christoph Columbus: Bordbuch, Briefe, Berichte, Dokumente. Bremen: Schünemann, 1956.

MLA (9th ed.) Citation

Colombo, Cristoforo, and Ernst Gerhard Jacob. Christoph Columbus: Bordbuch, Briefe, Berichte, Dokumente. Schünemann, 1956.

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