APA (7th ed.) Citation

Petrie, H. G. (1981). The dilemma of enquiry and learning. University of Chicago Press.

Chicago Style (17th ed.) Citation

Petrie, Hugh G. The Dilemma of Enquiry and Learning. Chicago: University of Chicago Press, 1981.

MLA (9th ed.) Citation

Petrie, Hugh G. The Dilemma of Enquiry and Learning. University of Chicago Press, 1981.