Cita APA (7th ed.)

Sapsford, R. (1998). Theory and social psychology. SAGE Publications in association with the Open University.

Cita Chicago (17th ed.)

Sapsford, Roger. Theory and Social Psychology. London, Thousand Oaks [Calif.]: SAGE Publications in association with the Open University, 1998.

Cita MLA (9th ed.)

Sapsford, Roger. Theory and Social Psychology. SAGE Publications in association with the Open University, 1998.