Cita APA (7a ed.)

Spencer, H. (1902). Facts and comments (4th thousand.). Williams & Norgate.

Cita Chicago Style (17a ed.)

Spencer, Herbert. Facts and Comments. 4th thousand. London [etc.]: Williams & Norgate, 1902.

Cita MLA (9a ed.)

Spencer, Herbert. Facts and Comments. 4th thousand. Williams & Norgate, 1902.