Cita APA (7th ed.)

Weintraub, R. (1997). The sceptical challenge. Routledge.

Cita Chicago (17th ed.)

Weintraub, Ruth. The Sceptical Challenge. London ; New York: Routledge, 1997.

Cita MLA (9th ed.)

Weintraub, Ruth. The Sceptical Challenge. Routledge, 1997.