APA (7th ed.) Citation

Carret, P. L. (1930). The art of speculation (Rev. ed.). Barron.

Chicago Style (17th ed.) Citation

Carret, Philip L. The Art of Speculation. Rev. ed. New York: Barron, 1930.

MLA (8th ed.) Citation

Carret, Philip L. The Art of Speculation. Rev. ed. Barron, 1930.