APA (7th ed.) Citation

Lutkat, B., & Overhage, K. (1969). Was ist das Sozialprodukt?

Chicago Style (17th ed.) Citation

Lutkat, Bernhard, and Karin Overhage. Was Ist Das Sozialprodukt? 1969.

MLA (8th ed.) Citation

Lutkat, Bernhard, and Karin Overhage. Was Ist Das Sozialprodukt? 1969.

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