APA (7th ed.) Citation

Petersen, J., & Engman, H. (1945). Billeder fra Besaettelsestiden. Petersen.

Chicago Style (17th ed.) Citation

Petersen, Josef, and Harald Engman. Billeder Fra Besaettelsestiden. Copenhagen: Petersen, 1945.

MLA (8th ed.) Citation

Petersen, Josef, and Harald Engman. Billeder Fra Besaettelsestiden. Petersen, 1945.

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