Ritter, J. (1989). P - Q. Schwabe.
Chicago Style (17th ed.) CitationRitter, Joachim. P - Q. Basel: Schwabe, 1989.
MLA (8th ed.) CitationRitter, Joachim. P - Q. Schwabe, 1989.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation