APA (7th ed.) Citation

Gaul, W., & Both, M. (1990). Computergestütztes Marketing. Springer.

Chicago Style (17th ed.) Citation

Gaul, Wolfgang, and Martin Both. Computergestütztes Marketing. Berlin u.a: Springer, 1990.

MLA (9th ed.) Citation

Gaul, Wolfgang, and Martin Both. Computergestütztes Marketing. Springer, 1990.