APA (7th ed.) Citation

Gabriel, H. W. (1962). Twenty steps to power, influence and control over people / H.W. Gabriel. Prentice-Hall.

Chicago Style (17th ed.) Citation

Gabriel, H. W. Twenty Steps to Power, Influence and Control over People / H.W. Gabriel. Englewood Cliffs, N.J: Prentice-Hall, 1962.

MLA (9th ed.) Citation

Gabriel, H. W. Twenty Steps to Power, Influence and Control over People / H.W. Gabriel. Prentice-Hall, 1962.