APA (7th ed.) Citation

Spengler, E. H., & Klein, J. (1935). Introduction to business. McGraw-Hill book company, inc..

Chicago Style (17th ed.) Citation

Spengler, Edwin Harold, and Jacob Klein. Introduction to Business. New York, London: McGraw-Hill book company, inc., 1935.

MLA (9th ed.) Citation

Spengler, Edwin Harold, and Jacob Klein. Introduction to Business. McGraw-Hill book company, inc., 1935.