Cita APA (7th ed.)

Barrett, D. V. (1992). The encyclopedia of prediction. Acropolis Books.

Cita Chicago (17th ed.)

Barrett, David V. The Encyclopedia of Prediction. Leicestershire, UK: Acropolis Books, 1992.

Cita MLA (9th ed.)

Barrett, David V. The Encyclopedia of Prediction. Acropolis Books, 1992.