Cita APA (7a ed.)

Robetson, N., & Seymour, P. (1993). Contemporary mathematics (1a ed.). American Mathematical Society.

Cita Chicago Style (17a ed.)

Robetson, N., y P. Seymour. Contemporary Mathematics. 1a ed. Providence: American Mathematical Society, 1993.

Cita MLA (9a ed.)

Robetson, N., y P. Seymour. Contemporary Mathematics. 1a ed. American Mathematical Society, 1993.