Cita APA (7a ed.)

Hill, W. H. (1878). Ethics or, Moral philosophy. John Murphy & Co. [etc.].

Cita Chicago Style (17a ed.)

Hill, Walter H. Ethics or, Moral Philosophy. Baltimore [etc.]: John Murphy & Co. [etc.], 1878.

Cita MLA (9a ed.)

Hill, Walter H. Ethics or, Moral Philosophy. John Murphy & Co. [etc.], 1878.