APA (7th ed.) Citation

Gruen, E., & Pfeiffer, S. (2015). Werte & Normen (Niedersachsen.). Militzke.

Chicago Style (17th ed.) Citation

Gruen, Eckhard, and Silke Pfeiffer. Werte & Normen. Niedersachsen. Leipzig: Militzke, 2015.

MLA (9th ed.) Citation

Gruen, Eckhard, and Silke Pfeiffer. Werte & Normen. Niedersachsen. Militzke, 2015.

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