APA (7th ed.) Citation

Raphael, D. D. (1990). Problems of political philosophy / D. D. Raphael (2nd ed., rev. and enl.). Humanity Books.

Chicago Style (17th ed.) Citation

Raphael, D. D. Problems of Political Philosophy / D. D. Raphael. 2nd ed., rev. and enl. Amherst, NY: Humanity Books, 1990.

MLA (9th ed.) Citation

Raphael, D. D. Problems of Political Philosophy / D. D. Raphael. 2nd ed., rev. and enl. Humanity Books, 1990.

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