Citazione Stile APA (7a Edizione)
Hirschfeld, G. (1973). The people: Growth and Survival. First cycle. Aldine Published for the Council for the Study of Mankind.
Citazione stile Chigago Style (17a edizione)
Hirschfeld, Gerhard. The People: Growth and Survival. First Cycle. Chicago: Aldine Published for the Council for the Study of Mankind, 1973.
Citatione MLA (9a ed.)
Hirschfeld, Gerhard. The People: Growth and Survival. First Cycle. Aldine Published for the Council for the Study of Mankind, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.