APA (7th ed.) Citation

Pye, C. (1988). What is OSI? NCC Publications.

Chicago Style (17th ed.) Citation

Pye, Colin. What Is OSI? Manchester: NCC Publications, 1988.

MLA (8th ed.) Citation

Pye, Colin. What Is OSI? NCC Publications, 1988.

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