APA (7th ed.) Citation

Cullen, J. B. (1978). The structure of professionalism: A quantitative examination. PBI.

Chicago Style (17th ed.) Citation

Cullen, John B. The Structure of Professionalism: A Quantitative Examination. New York: PBI, 1978.

MLA (9th ed.) Citation

Cullen, John B. The Structure of Professionalism: A Quantitative Examination. PBI, 1978.

Warning: These citations may not always be 100% accurate.