APA (7th ed.) Citation

GUHL, L. (1979). Keyboard proficiency. Harcourt Brace Jovanovich Inc.

Chicago Style (17th ed.) Citation

GUHL, Louise. Keyboard Proficiency. Harcourt Brace Jovanovich Inc, 1979.

MLA (8th ed.) Citation

GUHL, Louise. Keyboard Proficiency. Harcourt Brace Jovanovich Inc, 1979.

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