APA (7th ed.) Citation

Hamsun, K., Worster, W. J. A., & Björkman, E. (2005). Pan. Project Gutenberg.

Chicago Style (17th ed.) Citation

Hamsun, Knut, W. J. Alexander Worster, and Edwin Björkman. Pan. Project Gutenberg, 2005.

MLA (9th ed.) Citation

Hamsun, Knut, et al. Pan. Project Gutenberg, 2005.

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