Cita APA (7a ed.)

Higgins, P. M. (2007). Nets, puzzles, and postmen. Oxford University Press.

Cita Chicago Style (17a ed.)

Higgins, Peter M. Nets, Puzzles, and Postmen. Oxford ; New York: Oxford University Press, 2007.

Cita MLA (8a ed.)

Higgins, Peter M. Nets, Puzzles, and Postmen. Oxford University Press, 2007.