Cita APA (7th ed.)

Christensen, L. B. (2001). Experimental methodology (Eight edition.). Allyn and Bacon.

Cita Chicago (17th ed.)

Christensen, Larry B. Experimental Methodology. Eight edition. Boston: Allyn and Bacon, 2001.

Cita MLA (8th ed.)

Christensen, Larry B. Experimental Methodology. Eight edition. Allyn and Bacon, 2001.