Cita APA (7a ed.)

Heawood, E. (1965). A history of geographical discovery: In the seventeenth and eighteenth centuries. Octagon Books.

Cita Chicago Style (17a ed.)

Heawood, Edward. A History of Geographical Discovery: In the Seventeenth and Eighteenth Centuries. New York: Octagon Books, 1965.

Cita MLA (9a ed.)

Heawood, Edward. A History of Geographical Discovery: In the Seventeenth and Eighteenth Centuries. Octagon Books, 1965.