Cita APA (7a ed.)
English Language Services, inc. (1965). English 900. The Macmillan company.
Cita Chicago Style (17a ed.)
English Language Services, inc. English 900. New York: The Macmillan company, 1965.
Cita MLA (9a ed.)
English Language Services, inc. English 900. The Macmillan company, 1965.
Precaución: Estas citas no son 100% exactas.