Cita APA

Whitehead, A. N. (1935). Principia mathematica (2. ed.). Cambridge: At The University Press.

Citación estilo Chicago

Whitehead, Alfred North. Principia Mathematica. 2. ed. Cambridge: At The University Press, 1935.

Cita MLA

Whitehead, Alfred North. Principia Mathematica. 2. ed. Cambridge: At The University Press, 1935.