APA (7th ed.) Citation

Maier, M. (1988). Signum! (1. Aufl.). Data Becker.

Chicago Style (17th ed.) Citation

Maier, Michael. Signum! 1. Aufl. Düsseldorf: Data Becker, 1988.

MLA (9th ed.) Citation

Maier, Michael. Signum! 1. Aufl. Data Becker, 1988.

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