APA (7th ed.) Citation

Olafson, F. A. (1967). Principles and persons : an ethical interpretation of existentialism / by F.A. Olafson: An ethical interpretation of existentialism. Hopkins.

Chicago Style (17th ed.) Citation

Olafson, F. A. Principles and Persons : An Ethical Interpretation of Existentialism / by F.A. Olafson: An Ethical Interpretation of Existentialism. Hopkins, 1967.

MLA (9th ed.) Citation

Olafson, F. A. Principles and Persons : An Ethical Interpretation of Existentialism / by F.A. Olafson: An Ethical Interpretation of Existentialism. Hopkins, 1967.

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