Cita APA

Whitehead, A. N. (1927). Principia mathematica: To 56. C.U.Pr.

Citación estilo Chicago

Whitehead, Alfred North. Principia Mathematica: To 56. Cambridge: C.U.Pr, 1927.

Cita MLA

Whitehead, Alfred North. Principia Mathematica: To 56. C.U.Pr, 1927.

Warning: These citations may not always be 100% accurate.