APA (7th ed.) Citation

Nichols, F. G. 1. (1930). Manual and key for New Junior business training. American book company.

Chicago Style (17th ed.) Citation

Nichols, Frederick George 1878. Manual and Key for New Junior Business Training. New York, Cincinnati [etc.]: American book company, 1930.

MLA (9th ed.) Citation

Nichols, Frederick George 1878. Manual and Key for New Junior Business Training. American book company, 1930.