Cita APA (7th ed.)

Ley, C. D. (1947). Portuguese voyages 1498-1663. Dent.

Cita Chicago (17th ed.)

Ley, Charles David. Portuguese Voyages 1498-1663. London: Dent, 1947.

Cita MLA (8th ed.)

Ley, Charles David. Portuguese Voyages 1498-1663. Dent, 1947.