APA استشهاد

Loehlin,John C. (1992). Genes and environment in personality development. Sage.

استشهاد بنمط شيكاغو

Loehlin,John C. Genes and Environment in Personality Development. New Delhi: Sage, 1992.

MLA استشهاد

Loehlin,John C. Genes and Environment in Personality Development. Sage, 1992.