एपीए उद्धरण

Whitehead, A. N., & Russell, B. (1927). Principia mathematica. V 3.- 2nd ed. University Press.

शिकागो स्टाइल उद्धरण

Whitehead, Alfred North, और Bertrand Russell. Principia Mathematica. V 3.- 2nd Ed. Cambridge: University Press, 1927.

एमएलए उद्धरण

Whitehead, Alfred North, और Bertrand Russell. Principia Mathematica. V 3.- 2nd Ed. University Press, 1927.