APA (7th ed.) Citation

Conrad, P. (1991). DOS-Einsteigerbuch (13. Aufl.). Sybex.

Chicago Style (17th ed.) Citation

Conrad, Peter. DOS-Einsteigerbuch. 13. Aufl. Düsseldorf <<[u.a.]>>: Sybex, 1991.

MLA (9th ed.) Citation

Conrad, Peter. DOS-Einsteigerbuch. 13. Aufl. Sybex, 1991.

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