APA (7th ed.) Citation

Mertens, D. (1992). Richental, Ulrich.

Chicago Style (17th ed.) Citation

Mertens, Dieter. Richental, Ulrich. 1992.

MLA (9th ed.) Citation

Mertens, Dieter. Richental, Ulrich. 1992.

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