APA (7th ed.) Citation

Richter, H. P., & Kroll, E. (1983). Friedrich. Heinemann.

Chicago Style (17th ed.) Citation

Richter, Hans Peter, and Edite Kroll. Friedrich. London: Heinemann, 1983.

MLA (8th ed.) Citation

Richter, Hans Peter, and Edite Kroll. Friedrich. Heinemann, 1983.