Cita APA (7a ed.)

Hwang, F., Richards, D., & Winter, P. (1992). The Steiner tree problem. North-Holland.

Cita Chicago Style (17a ed.)

Hwang, Frank, Dana Richards, y Pawel Winter. The Steiner Tree Problem. Amsterdam ; New York: North-Holland, 1992.

Cita MLA (8a ed.)

Hwang, Frank, et al. The Steiner Tree Problem. North-Holland, 1992.