Sheldon, H. (1942). The progress of science: A review of 1941. The Grolier Society.
Cita Chicago Style (17a ed.)Sheldon, H. The Progress of Science: A Review of 1941. New York: The Grolier Society, 1942.
Cita MLA (9a ed.)Sheldon, H. The Progress of Science: A Review of 1941. The Grolier Society, 1942.
Precaución: Estas citas no son 100% exactas.