APA (7th ed.) Citation

Beerman, B., Strandberg, K., Madsen, S., Waersted, A., & Westbye, O. Treatment of acné (Primera edición.).

Chicago Style (17th ed.) Citation

Beerman, Björn, Kjell Strandberg, Steinar Madsen, Atle Waersted, and Ola Westbye. Treatment of Acné. Primera edición.

MLA (8th ed.) Citation

Beerman, Björn, et al. Treatment of Acné. Primera edición.

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