APA (7th ed.) Citation

Gaskins, T. (1992). PHIGS programming manual. O'Reilly & Associates.

Chicago Style (17th ed.) Citation

Gaskins, Tom. PHIGS Programming Manual. Sebastopol, CA: O'Reilly & Associates, 1992.

MLA (9th ed.) Citation

Gaskins, Tom. PHIGS Programming Manual. O'Reilly & Associates, 1992.

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