Illinois. University at Urbana-Champaign & Cancro, R. (1971). Intelligence: Genetic and environmental influences. Grune & Stratton.
Citazione stile Chigago Style (17a edizione)Illinois. University at Urbana-Champaign e Robert Cancro. Intelligence: Genetic and Environmental Influences. New York: Grune & Stratton, 1971.
Citatione MLA (9a ed.)Illinois. University at Urbana-Champaign e Robert Cancro. Intelligence: Genetic and Environmental Influences. Grune & Stratton, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.