Cita APA (7a ed.)

Smith, A., & Wightman, W. P. D. ;. B. (1982). Essays on Philosophical Subjects. Liberty Classics.

Cita Chicago Style (17a ed.)

Smith, Adam, y W. P. D. ; Bryce Wightman. Essays on Philosophical Subjects. Estados Unidos: Liberty Classics, 1982.

Cita MLA (8a ed.)

Smith, Adam, y W. P. D. ; Bryce Wightman. Essays on Philosophical Subjects. Liberty Classics, 1982.