Cita APA (7a ed.)

Prescott, J. R. V. (1967). The geography of frontiers and boundaries. Hutchinson university library.

Cita Chicago Style (17a ed.)

Prescott, John Robert Víctor. The Geography of Frontiers and Boundaries. London: Hutchinson university library, 1967.

Cita MLA (9a ed.)

Prescott, John Robert Víctor. The Geography of Frontiers and Boundaries. Hutchinson university library, 1967.

Precaución: Estas citas no son 100% exactas.