Cita APA (7th ed.)

Henderson, J. M. (1958). The Efficiency of the Coal Industry: An Application of Linear Programming. Harvard University Press.

Cita Chicago (17th ed.)

Henderson, James M. The Efficiency of the Coal Industry: An Application of Linear Programming. Cambridge: Harvard University Press, 1958.

Cita MLA (9th ed.)

Henderson, James M. The Efficiency of the Coal Industry: An Application of Linear Programming. Harvard University Press, 1958.

Atenció: Aquestes cites poden no estar 100% correctes.