Cita APA (7a ed.)
Gifford, R. Research Methods for Environmental Psychology. Wiley-Blackwell.
Cita estilo Chicago (17a ed.)
Gifford, Robert. Research Methods for Environmental Psychology. Malden, EUA: Wiley-Blackwell.
Cita MLA (9a ed.)
Gifford, Robert. Research Methods for Environmental Psychology. Wiley-Blackwell.
Precaución: Estas citas no son 100% exactas.