APA (7th ed.) Citation

Markham, C. R. (1963). Expeditions into the valley of the Amazons: 1539, 1540, 1639. B. Franklin.

Chicago Style (17th ed.) Citation

Markham, Clements R. Expeditions into the Valley of the Amazons: 1539, 1540, 1639. New York: B. Franklin, 1963.

MLA (9th ed.) Citation

Markham, Clements R. Expeditions into the Valley of the Amazons: 1539, 1540, 1639. B. Franklin, 1963.