APA (7th ed.) Citation

Spence, R. (1991). Clipper programming guide (2nd ed.). Microtrend Books.

Chicago Style (17th ed.) Citation

Spence, Rick. Clipper Programming Guide. 2nd ed. San Marcos, CA: Microtrend Books, 1991.

MLA (9th ed.) Citation

Spence, Rick. Clipper Programming Guide. 2nd ed. Microtrend Books, 1991.

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