Cita APA (7a ed.)

Veblen, O. (1931). Analysis situs (2nd ed.). American Mathematical Society.

Cita Chicago Style (17a ed.)

Veblen, Oswald. Analysis Situs. 2nd ed. New York: American Mathematical Society, 1931.

Cita MLA (9a ed.)

Veblen, Oswald. Analysis Situs. 2nd ed. American Mathematical Society, 1931.