APA stil citiranja

Lewis, G. M. (1961). Educating the more able children in grades four, five, and six: Educating the more able children in grades four, five, and six. Washington: U.S. Department of health, education, and welfare.

Chicago stil citiranja

Lewis, Gertrude M. Educating the more able children in grades four, five, and six: Educating the more able children in grades four, five, and six. Washington: U.S. Department of health, education, and welfare, 1961.

MLA stil citiranja

Lewis, Gertrude M. Educating the more able children in grades four, five, and six: Educating the more able children in grades four, five, and six. Washington: U.S. Department of health, education, and welfare, 1961.