MLA

Baldwin, James Mark. Dictionary of Philosophy and Psychology : Including Many of the Principal Conceptions of Ethics, Logic, Aesthetics, Philosophy of Religion, Mental Pathology, Anthropology, Biology, Neurology, Physiology, Economics, Political and Social Philosophy, Philology, Physical Science, and Education, and Giving a Terminology In English, French, German, and Italian. New York: Macmillan, 1901.

APA

Baldwin, J. Mark. (1901). Dictionary of philosophy and psychology : including many of the principal conceptions of ethics, logic, aesthetics, philosophy of religion, mental pathology, anthropology, biology, neurology, physiology, economics, political and social philosophy, philology, physical science, and education, and giving a terminology in English, French, German, and Italian. New York: Macmillan.

Chicago

Baldwin, James Mark, ed. Dictionary of Philosophy and Psychology: Including Many of the Principal Conceptions of Ethics, Logic, Aesthetics, Philosophy of Religion, Mental Pathology, Anthropology, Biology, Neurology, Physiology, Economics, Political and Social Philosophy, Philology, Physical Science, and Education, and Giving a Terminology In English, French, German, and Italian. New York: Macmillan, 1901.