Cita APA

Butchvarov, P. (1998). Skepticism about the external world. New York: Oxford University Press.

Citación estilo Chicago

Butchvarov, Panayot. Skepticism About the External World. New York: Oxford University Press, 1998.

Cita MLA

Butchvarov, Panayot. Skepticism About the External World. New York: Oxford University Press, 1998.