APA (7th ed.) Citation

Spencer, H. (1882). The principles of sociology. Williams and Norgate.

Chicago Style (17th ed.) Citation

Spencer, Herbert. The Principles of Sociology. Lond.: Williams and Norgate, 1882.

MLA (8th ed.) Citation

Spencer, Herbert. The Principles of Sociology. Williams and Norgate, 1882.

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