MLA

De Laet, S. J. The Low Countries : Ancient Peoples and Places. London: Glyn Daniel, 1958.

APA

De Laet, S. J. (1958). The Low Countries : Ancient Peoples and Places. London: Glyn Daniel.

Chicago

De Laet, S. J. The Low Countries: Ancient Peoples and Places. London: Glyn Daniel, 1958.