APA (7th ed.) Citation

Spencer, H. (1891). The Principles of Ethics (2nd thousand.). Williams and Norgate.

Chicago Style (17th ed.) Citation

Spencer, Herbert. The Principles of Ethics. 2nd thousand. London ; Edinburgh: Williams and Norgate, 1891.

MLA (8th ed.) Citation

Spencer, Herbert. The Principles of Ethics. 2nd thousand. Williams and Norgate, 1891.

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