APA (7th ed.) Citation

Poulsen, F. (1920). Delphi. Gyldendal.

Chicago Style (17th ed.) Citation

Poulsen, Frederik. Delphi. London: Gyldendal, 1920.

MLA (9th ed.) Citation

Poulsen, Frederik. Delphi. Gyldendal, 1920.

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