Cita APA (7a ed.)

Hudson, W. H. (1904). An Introduction to the philosophy of Herbert Spencer (revised throughout, and in large part re-written.). Watts.

Cita Chicago Style (17a ed.)

Hudson, William Henry. An Introduction to the Philosophy of Herbert Spencer. revised throughout, and in large part re-written. London: Watts, 1904.

Cita MLA (9a ed.)

Hudson, William Henry. An Introduction to the Philosophy of Herbert Spencer. revised throughout, and in large part re-written. Watts, 1904.