APA

Blois L. d., Spek R. J. v. d., . (1997). An introduction to the ancient world. New York, NY: Routledge.

Chicago

Blois Lukas de, Spek R J van der, . 1997. An introduction to the ancient world. New York, NY: Routledge.

Harvard

Blois L. d., Spek R. J. v. d., . (1997). An introduction to the ancient world. New York, NY: Routledge.

MLA

Blois Lukas de, Spek R J van der, . An introduction to the ancient world. New York, NY: Routledge. 1997.