Cita APA (7a ed.)
Trochim, W. M. The Research Methods Knowledge Base. Atomic Dog Publishing.
Cita estilo Chicago (17a ed.)
Trochim, William M.K. The Research Methods Knowledge Base. Cincinnati, EUA: Atomic Dog Publishing.
Cita MLA (9a ed.)
Trochim, William M.K. The Research Methods Knowledge Base. Atomic Dog Publishing.
Precaución: Estas citas no son 100% exactas.