APA (7th ed.) Citation

Bell, C. (1983). UNIX programmer's manual: Time sharing system. Bell Telephone Lab. Inc.

Chicago Style (17th ed.) Citation

Bell, Catherine. UNIX Programmer's Manual: Time Sharing System. Bell Telephone Lab. Inc, 1983.

MLA (8th ed.) Citation

Bell, Catherine. UNIX Programmer's Manual: Time Sharing System. Bell Telephone Lab. Inc, 1983.

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