Cita APA (7a ed.)

Rival, I. (1986). Combinatorics and ordered sets. Contemporary mathematics. Vol: 57 (1a ed.). University College, Cardiff.

Cita Chicago Style (17a ed.)

Rival, Ivan. Combinatorics and Ordered Sets. Contemporary Mathematics. Vol: 57. 1a ed. Providence: University College, Cardiff, 1986.

Cita MLA (9a ed.)

Rival, Ivan. Combinatorics and Ordered Sets. Contemporary Mathematics. Vol: 57. 1a ed. University College, Cardiff, 1986.