Cita APA (7a ed.)

Campbell, D. T., & Stanley, J. C. (1968). Experimental and quasi experimental desings for research. Randd Mc. Nally.

Cita Chicago Style (17a ed.)

Campbell, Donald T., y Julián C. Stanley. Experimental and Quasi Experimental Desings for Research. Chicago: Randd Mc. Nally, 1968.

Cita MLA (9a ed.)

Campbell, Donald T., y Julián C. Stanley. Experimental and Quasi Experimental Desings for Research. Randd Mc. Nally, 1968.