APA (7th ed.) Citation

Schiller, F. C. S. (1894). Riddles of the sphinx: A study in the philosophy of evolution (2d ed.). S. Sonnenschein; Macmillan.

Chicago Style (17th ed.) Citation

Schiller, F. C. S. Riddles of the Sphinx: A Study in the Philosophy of Evolution. 2d ed. London, New York: S. Sonnenschein; Macmillan, 1894.

MLA (8th ed.) Citation

Schiller, F. C. S. Riddles of the Sphinx: A Study in the Philosophy of Evolution. 2d ed. S. Sonnenschein; Macmillan, 1894.