Struhsaker, T. T. The red colobus monkeys. Oxford University Press.
Cita Chicago (17th ed.)Struhsaker, Thomas T. The Red Colobus Monkeys. Oxford University Press.
Cita MLA (8th ed.)Struhsaker, Thomas T. The Red Colobus Monkeys. Oxford University Press.
Atenció: Aquestes cites poden no estar 100% correctes.