APA (7th ed.) Citation

Martinus & Gramm, K. (1992). Zweierlei Liebe Kleinere Bücher..

Chicago Style (17th ed.) Citation

Martinus and Kurt Gramm. "Zweierlei Liebe." Kleinere Bücher. 1992.

MLA (9th ed.) Citation

Martinus and Kurt Gramm. "Zweierlei Liebe." Kleinere Bücher., 1992.

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