Стиль цитування APA (7-ме видання)

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

Чикаго стиль цитування (17-те видання)

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

Стиль цитування MLA (8-ме видання)

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