Cita APA (7th ed.)

(1931). Tests and challenges in sociology (for use with Ross's Principles of sociology, revised edition). The Century co.

Cita Chicago (17th ed.)

Tests and Challenges in Sociology (for Use with Ross's Principles of Sociology, Revised Edition). New York: The Century co, 1931.

Cita MLA (9th ed.)

Tests and Challenges in Sociology (for Use with Ross's Principles of Sociology, Revised Edition). The Century co, 1931.