APA (7th ed.) Citation

Bleek, W., Jennrich, B., & Schulz, P. (1989). Advanced system programmer's guide for the Amiga. Abacus.

Chicago Style (17th ed.) Citation

Bleek, Wolf-Gideon, Bruno Jennrich, and Peter Schulz. Advanced System Programmer's Guide for the Amiga. Grand Rapids, MI: Abacus, 1989.

MLA (8th ed.) Citation

Bleek, Wolf-Gideon, et al. Advanced System Programmer's Guide for the Amiga. Abacus, 1989.