Cita APA (7th ed.)

Humphreys, G., & Riddoch, M. (2004). Preface. Psychology Press.

Cita Chicago (17th ed.)

Humphreys, G., i M. Riddoch. Preface. Psychology Press, 2004.

Cita MLA (9th ed.)

Humphreys, G., i M. Riddoch. Preface. Psychology Press, 2004.