APA (7th ed.) Citation

Mackes, K. L. (1980). Viersen. Rheinland-Verl.

Chicago Style (17th ed.) Citation

Mackes, Karl L. Viersen. Köln: Rheinland-Verl, 1980.

MLA (9th ed.) Citation

Mackes, Karl L. Viersen. Rheinland-Verl, 1980.

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