APA (7th ed.) Citation

Bobé, L., & Ostermann, H. (1929). History of the trade and colonization until 1870.

Chicago Style (17th ed.) Citation

Bobé, Louis, and H. Ostermann. History of the Trade and Colonization Until 1870. Copenhagen, 1929.

MLA (9th ed.) Citation

Bobé, Louis, and H. Ostermann. History of the Trade and Colonization Until 1870. 1929.

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