APA (7th ed.) Citation
Tan, G. (1991). UNIX productivity tools: For teachers, writers, and researchers. Addison-Wesley.
Chicago Style (17th ed.) Citation
Tan, Gerald. UNIX Productivity Tools: For Teachers, Writers, and Researchers. North Ryde, NSW: Addison-Wesley, 1991.
MLA (9th ed.) Citation
Tan, Gerald. UNIX Productivity Tools: For Teachers, Writers, and Researchers. Addison-Wesley, 1991.
Warning: These citations may not always be 100% accurate.