Bowman, I. (1920). The Andes of Southern Peru: Geographical reconnaissance along the seventy third meridian (Segunda edición.). Constable & Company Ltd.
Cita Chicago (17th ed.)Bowman, Isaiah. The Andes of Southern Peru: Geographical Reconnaissance Along the Seventy Third Meridian. Segunda edición. London, England, United Kingdom: Constable & Company Ltd, 1920.
Cita MLA (9th ed.)Bowman, Isaiah. The Andes of Southern Peru: Geographical Reconnaissance Along the Seventy Third Meridian. Segunda edición. Constable & Company Ltd, 1920.
Atenció: Aquestes cites poden no estar 100% correctes.