APA (7th ed.) Citation

Spencer, H., Ribot, T., & Espinas, A. V. (1875). Principes de psychologie. Félix Alcan.

Chicago Style (17th ed.) Citation

Spencer, Herbert, Th Ribot, and Alfred Victor Espinas. Principes De Psychologie. Paris: Félix Alcan, 1875.

MLA (9th ed.) Citation

Spencer, Herbert, et al. Principes De Psychologie. Félix Alcan, 1875.