Cita APA (7a ed.)
Littlewood, D. E. (1949). THE SKELETON KEY OF MATHEMATICS (1 ed.). Harper Torchbooks.
Cita Chicago Style (17a ed.)
Littlewood, D. E. THE SKELETON KEY OF MATHEMATICS. 1 ed. New York: Harper Torchbooks, 1949.
Cita MLA (9a ed.)
Littlewood, D. E. THE SKELETON KEY OF MATHEMATICS. 1 ed. Harper Torchbooks, 1949.
Precaución: Estas citas no son 100% exactas.