Cita APA (7th ed.)

Robinson, R. W., Southern, G. W., & Wallis, W. D. (1980). Combinatorial mathematics VII. Proceedings, 1979. Springer-Verlag.

Cita Chicago (17th ed.)

Robinson, R. W., G. W. Southern, i W. D. Wallis. Combinatorial Mathematics VII. Proceedings, 1979. Berlín: Springer-Verlag, 1980.

Cita MLA (9th ed.)

Robinson, R. W., et al. Combinatorial Mathematics VII. Proceedings, 1979. Springer-Verlag, 1980.