Cita APA

Twain, M. (1973). What is man? and Other Philosophical Writings. University of California Press.

Citación estilo Chicago

Twain, Mark. What Is Man? and Other Philosophical Writings. London: University of California Press, 1973.

Cita MLA

Twain, Mark. What Is Man? and Other Philosophical Writings. University of California Press, 1973.