APA (7th ed.) Citation

Badger, R. E., & Murphy, H. C. (1930). Problems in investment. Prentice-Hall, inc..

Chicago Style (17th ed.) Citation

Badger, Ralph Eastman, and Henry C. Murphy. Problems in Investment. New York: Prentice-Hall, inc., 1930.

MLA (9th ed.) Citation

Badger, Ralph Eastman, and Henry C. Murphy. Problems in Investment. Prentice-Hall, inc., 1930.