APA (7th ed.) Citation

Greenfield. (2002). Research methods for postgraduates (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Greenfield. Research Methods for Postgraduates. 2nd ed. London: Oxford University Press, 2002.

MLA (8th ed.) Citation

Greenfield. Research Methods for Postgraduates. 2nd ed. Oxford University Press, 2002.