Cita APA (7a ed.)

Carret, P. L. (1997). The art of speculation ([Rev. ed.].). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Carret, Philip L. The Art of Speculation. [Rev. ed.]. New York [etc.]: John Wiley & Sons, 1997.

Cita MLA (9a ed.)

Carret, Philip L. The Art of Speculation. [Rev. ed.]. John Wiley & Sons, 1997.