APA (7th ed.) Citation

Purpel, D. E., & Gress, J. R. (1978). Curriculum: An introduction to the field. McCutchan Pub. Corp..

Chicago Style (17th ed.) Citation

Purpel, David E., and James R. Gress. Curriculum: An Introduction to the Field. Berkeley: McCutchan Pub. Corp., 1978.

MLA (8th ed.) Citation

Purpel, David E., and James R. Gress. Curriculum: An Introduction to the Field. McCutchan Pub. Corp., 1978.