APA (7th ed.) Citation

Duncan, C. H. (1991). College keyboarding/typewriting intensive course. South-Western Publishing Co..

Chicago Style (17th ed.) Citation

Duncan, Charles H. College Keyboarding/typewriting Intensive Course. Ohio: South-Western Publishing Co., 1991.

MLA (9th ed.) Citation

Duncan, Charles H. College Keyboarding/typewriting Intensive Course. South-Western Publishing Co., 1991.

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