Cita APA

Hay, J. (1981). The undiscovered country. W.W. Norton.

Citación estilo Chicago

Hay, John. The Undiscovered Country. New York: W.W. Norton, 1981.

Cita MLA

Hay, John. The Undiscovered Country. W.W. Norton, 1981.

Warning: These citations may not always be 100% accurate.