Cita APA (7th ed.)

Shea, M. (1998). The primacy effect: The ultimate guide to effective personal communications. Orion Business Books.

Cita Chicago (17th ed.)

Shea, Michael. The Primacy Effect: The Ultimate Guide to Effective Personal Communications. London: Orion Business Books, 1998.

Cita MLA (9th ed.)

Shea, Michael. The Primacy Effect: The Ultimate Guide to Effective Personal Communications. Orion Business Books, 1998.