Cita APA (7th ed.)

Cancro, R. (1971). Intelligence: Genetic and environmental influences. Grune & Stratton.

Cita Chicago (17th ed.)

Cancro, Robert. Intelligence: Genetic and Environmental Influences. New York: Grune & Stratton, 1971.

Cita MLA (9th ed.)

Cancro, Robert. Intelligence: Genetic and Environmental Influences. Grune & Stratton, 1971.