APA Edition Citation

Butkur, C. (1991). Teach Yourself...qbasic. Management Information Source.

Chicago Edition Citation

Butkur, Charles. Teach Yourself...qbasic. Management Information Source, 1991.

MLA Edition Citation

Butkur, Charles. Teach Yourself...qbasic. Management Information Source, 1991.

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