APA (7th ed.) Citation

Hagar, H. A., & SoRelle, R. P. (1924). Applied business English. The Gregg Pub. Co.

Chicago Style (17th ed.) Citation

Hagar, Hubert A., and Rupert Pitt SoRelle. Applied Business English. New York, Chicago [etc.]: The Gregg Pub. Co, 1924.

MLA (8th ed.) Citation

Hagar, Hubert A., and Rupert Pitt SoRelle. Applied Business English. The Gregg Pub. Co, 1924.