APA (7th ed.) Citation

Johnson, S. (2006). Das Glücksprinzip. Hugendubel.

Chicago Style (17th ed.) Citation

Johnson, Spencer. Das Glücksprinzip. Kreuzlingen ; München: Hugendubel, 2006.

MLA (9th ed.) Citation

Johnson, Spencer. Das Glücksprinzip. Hugendubel, 2006.

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