Royce, J. (1931). The spirit of modern philosophy. An essay in the form of lectures. Houghton Mifflin Co..
Cita Chicago Style (17a ed.)Royce, Josiah. The Spirit of Modern Philosophy. An Essay in the Form of Lectures. Boston: Houghton Mifflin Co., 1931.
Cita MLA (9a ed.)Royce, Josiah. The Spirit of Modern Philosophy. An Essay in the Form of Lectures. Houghton Mifflin Co., 1931.
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