APA (7th ed.) Citation

Sandbye, M., Abrahamsen, M. G., Lauritsen, R., & Helmer-Petersen, K. (2019). Keld Helmer-Petersen: Photographs 1941-2013 (Second edition.). Strandberg Publishing.

Chicago Style (17th ed.) Citation

Sandbye, Mette, Martha Gaber Abrahamsen, René Lauritsen, and Keld Helmer-Petersen. Keld Helmer-Petersen: Photographs 1941-2013. Second edition. Copenhagen: Strandberg Publishing, 2019.

MLA (9th ed.) Citation

Sandbye, Mette, et al. Keld Helmer-Petersen: Photographs 1941-2013. Second edition. Strandberg Publishing, 2019.