APA (7th ed.) Citation

Pieper, M. H., & Pieper. (2003). Addicted to unhappiness. Mc Graw-Hill.

Chicago Style (17th ed.) Citation

Pieper, Martha Heineman, and Pieper. Addicted to Unhappiness. USA: Mc Graw-Hill, 2003.

MLA (9th ed.) Citation

Pieper, Martha Heineman, and Pieper. Addicted to Unhappiness. Mc Graw-Hill, 2003.

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