Cita APA (7a ed.)
Gesell, A. (1939). Biographies of Child Development: The Mental Growth Careers of Eight - Four Infants and Children. Paul B. Hoeber.
Cita estilo Chicago (17a ed.)
Gesell, Arnold. Biographies of Child Development: The Mental Growth Careers of Eight - Four Infants and Children. Nueva York, EUA: Paul B. Hoeber, 1939.
Cita MLA (9a ed.)
Gesell, Arnold. Biographies of Child Development: The Mental Growth Careers of Eight - Four Infants and Children. Paul B. Hoeber, 1939.
Precaución: Estas citas no son 100% exactas.