Cita APA (7th ed.)
Ryder, J. D. (1955). Networks, lines, and fields (2d ed.). Prentice-Hall.
Cita Chicago (17th ed.)
Ryder, John Douglas. Networks, Lines, and Fields. 2d ed. New York ; New Delhi: Prentice-Hall, 1955.
Cita MLA (9th ed.)
Ryder, John Douglas. Networks, Lines, and Fields. 2d ed. Prentice-Hall, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.