Cita APA (7a ed.)

Sobel, R. (1974). The entrepreneurs: Explorations within the American business tradition / by Robert Sobel. Weybright and Talley.

Cita Chicago Style (17a ed.)

Sobel, Robert. The Entrepreneurs: Explorations Within the American Business Tradition / by Robert Sobel. New York: Weybright and Talley, 1974.

Cita MLA (8a ed.)

Sobel, Robert. The Entrepreneurs: Explorations Within the American Business Tradition / by Robert Sobel. Weybright and Talley, 1974.