APA (7th ed.) Citation

Gusmano, J. J. (1990). Thinking philosophically: An introduction to philosophy with readings. Univ. Press of America.

Chicago Style (17th ed.) Citation

Gusmano, Joseph J. Thinking Philosophically: An Introduction to Philosophy with Readings. Lanham u.a: Univ. Press of America, 1990.

MLA (9th ed.) Citation

Gusmano, Joseph J. Thinking Philosophically: An Introduction to Philosophy with Readings. Univ. Press of America, 1990.