APA (7th ed.) Citation

Bate, J. S., & Wyatt, M. (1986). The PICK operating system. Collins.

Chicago Style (17th ed.) Citation

Bate, Joseph S., and Mike Wyatt. The PICK Operating System. London: Collins, 1986.

MLA (9th ed.) Citation

Bate, Joseph S., and Mike Wyatt. The PICK Operating System. Collins, 1986.