Cita APA (7a ed.)

Kagan, J., & Snidman, N. The Long Shadow of Temperament. Harvard University Press.

Cita Chicago Style (17a ed.)

Kagan, Jerome, y Nancy Snidman. The Long Shadow of Temperament. Cambridge: Harvard University Press.

Cita MLA (8a ed.)

Kagan, Jerome, y Nancy Snidman. The Long Shadow of Temperament. Harvard University Press.