Cita APA (7th ed.)

Solomon, R. C., & Higgins, K. M. (2018). The big questions : a short introduction to philosophy: A short introduction to philosophy (10th ed.). Cengage Learning.

Cita Chicago (17th ed.)

Solomon, Robert C., i Kathleen M. Higgins. The Big Questions : A Short Introduction to Philosophy: A Short Introduction to Philosophy. 10th ed. Boston: Cengage Learning, 2018.

Cita MLA (9th ed.)

Solomon, Robert C., i Kathleen M. Higgins. The Big Questions : A Short Introduction to Philosophy: A Short Introduction to Philosophy. 10th ed. Cengage Learning, 2018.