Cita APA (7th ed.)

Hess, E. H. (1973). Imprinting: Early experience and the developmental psychobiology of attachment. Van Nostrand Reinhold.

Cita Chicago (17th ed.)

Hess, Eckhard Heinrich. Imprinting: Early Experience and the Developmental Psychobiology of Attachment. New York, USA: Van Nostrand Reinhold, 1973.

Cita MLA (9th ed.)

Hess, Eckhard Heinrich. Imprinting: Early Experience and the Developmental Psychobiology of Attachment. Van Nostrand Reinhold, 1973.