Cita APA

Christensen, L. B., Johnson, B., & Turner, L. (2011). Research methods, design, and analysis (11th ed.). Allyn & Bacon.

Citación estilo Chicago

Christensen, Larry B., Burke Johnson, and Lisa Turner. Research Methods, Design, and Analysis. 11th ed. Boston: Allyn & Bacon, 2011.

Cita MLA

Christensen, Larry B., et al. Research Methods, Design, and Analysis. 11th ed. Allyn & Bacon, 2011.