APA (7th ed.) Citation

Olafson, F. A. (1970). Principles and persons. An Ethical Interpretation of Existentialism. The Johns Hopkins Press.

Chicago Style (17th ed.) Citation

Olafson, Frederick A. Principles and Persons. An Ethical Interpretation of Existentialism. Baltimore: The Johns Hopkins Press, 1970.

MLA (9th ed.) Citation

Olafson, Frederick A. Principles and Persons. An Ethical Interpretation of Existentialism. The Johns Hopkins Press, 1970.

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