APA stil citiranja

Howitt, D., & Cramer, D. (2005). Introduction to research methods in psychology: Introduction to research methods in psychology. Harlow, England ; New York: Pearson/Prentice Hall.

Chicago stil citiranja

Howitt, Dennis, and Duncan Cramer. Introduction to research methods in psychology: Introduction to research methods in psychology. Harlow, England ; New York: Pearson/Prentice Hall, 2005.

MLA stil citiranja

Howitt, Dennis, and Duncan Cramer. Introduction to research methods in psychology: Introduction to research methods in psychology. Harlow, England ; New York: Pearson/Prentice Hall, 2005.