APA (7th ed.) Citation

Juel-Nielsen, N. (1965). Individual and environment: A psychiatric-psychological investigation of monozygotic twins reared apart. Munksgaard.

Chicago Style (17th ed.) Citation

Juel-Nielsen, Niels. Individual and Environment: A Psychiatric-psychological Investigation of Monozygotic Twins Reared Apart. Copenhagen: Munksgaard, 1965.

MLA (9th ed.) Citation

Juel-Nielsen, Niels. Individual and Environment: A Psychiatric-psychological Investigation of Monozygotic Twins Reared Apart. Munksgaard, 1965.

Warning: These citations may not always be 100% accurate.