APA (7th ed.) Citation

University of California, Berkeley. Computer Systems Research Group. (1994). 4.4BSD user's reference manual (URM): Berkeley software distribution. Computer Systems Research Group.

Chicago Style (17th ed.) Citation

University of California, Berkeley. Computer Systems Research Group. 4.4BSD User's Reference Manual (URM): Berkeley Software Distribution. Berkeley, Calif.: Computer Systems Research Group, 1994.

MLA (9th ed.) Citation

University of California, Berkeley. Computer Systems Research Group. 4.4BSD User's Reference Manual (URM): Berkeley Software Distribution. Computer Systems Research Group, 1994.

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