APA (7th ed.) Citation

Spence, R. (1989). Clipper programming guide. BPB Publications.

Chicago Style (17th ed.) Citation

Spence, Rick. Clipper Programming Guide. New Delhi: BPB Publications, 1989.

MLA (8th ed.) Citation

Spence, Rick. Clipper Programming Guide. BPB Publications, 1989.

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