APA Citation

Richter, H. P., & Kroll, E. (1987). Friedrich. New York, N.Y., U.S.A.: Puffin Books.

Chicago Style Citation

Richter, Hans Peter, and Edite Kroll. Friedrich. New York, N.Y., U.S.A.: Puffin Books, 1987.

MLA Citation

Richter, Hans Peter, and Edite Kroll. Friedrich. New York, N.Y., U.S.A.: Puffin Books, 1987.

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