APA (7th ed.) Citation

Börnsen-Holtmann, N. (1991). Holtmann Graphics 1.

Chicago Style (17th ed.) Citation

Börnsen-Holtmann, Nina. Holtmann Graphics 1. Köln, 1991.

MLA (8th ed.) Citation

Börnsen-Holtmann, Nina. Holtmann Graphics 1. 1991.

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