APA (7th ed.) Citation

Nichols, F. G. (1930). Workbook: Junior business training for economic living. American Book Co..

Chicago Style (17th ed.) Citation

Nichols, Frederick George. Workbook: Junior Business Training for Economic Living. New York: American Book Co., 1930.

MLA (8th ed.) Citation

Nichols, Frederick George. Workbook: Junior Business Training for Economic Living. American Book Co., 1930.