Cita APA (7th ed.)
Todes, D. P. (1989). Darwin without Malthus: The struggle for existence in Russian evolutionary thought. Oxford University Press.
Cita Chicago (17th ed.)
Todes, Daniel Philip. Darwin Without Malthus: The Struggle for Existence in Russian Evolutionary Thought. New York: Oxford University Press, 1989.
Cita MLA (9th ed.)
Todes, Daniel Philip. Darwin Without Malthus: The Struggle for Existence in Russian Evolutionary Thought. Oxford University Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.