Cita APA (7a ed.)

Nielson, F., & Nielson, H. R. (1992). Two-level functional languages. University Press.

Cita Chicago Style (17a ed.)

Nielson, Flemming, y Hanne Riis Nielson. Two-level Functional Languages. Cambridge [etc.]: University Press, 1992.

Cita MLA (9a ed.)

Nielson, Flemming, y Hanne Riis Nielson. Two-level Functional Languages. University Press, 1992.