APA (7th ed.) Citation

Leterman, E. G. (1965). Personal power through creative selling (3. Aufl.). Collier.

Chicago Style (17th ed.) Citation

Leterman, Elmer G. Personal Power Through Creative Selling. 3. Aufl. New York: Collier, 1965.

MLA (9th ed.) Citation

Leterman, Elmer G. Personal Power Through Creative Selling. 3. Aufl. Collier, 1965.