Cita APA (7a ed.)
Hirschfeld, G. (1973). The people: Growth and Survival. First cycle. Aldine Published for the Council for the Study of Mankind.
Cita Chicago Style (17a ed.)
Hirschfeld, Gerhard. The People: Growth and Survival. First Cycle. Chicago: Aldine Published for the Council for the Study of Mankind, 1973.
Cita MLA (9a ed.)
Hirschfeld, Gerhard. The People: Growth and Survival. First Cycle. Aldine Published for the Council for the Study of Mankind, 1973.
Precaución: Estas citas no son 100% exactas.