Cita APA (7th ed.)
FERRELL, K., & ET AL. (1991). VISUALLY IMPAIRED INFANTS RESEARCH CONSORTIUM (VIIRC): FIRST-YEAR RESULTS.
Cita Chicago (17th ed.)
FERRELL, K.A, i ET AL. VISUALLY IMPAIRED INFANTS RESEARCH CONSORTIUM (VIIRC): FIRST-YEAR RESULTS. 1991.
Cita MLA (9th ed.)
FERRELL, K.A, i ET AL. VISUALLY IMPAIRED INFANTS RESEARCH CONSORTIUM (VIIRC): FIRST-YEAR RESULTS. 1991.
Atenció: Aquestes cites poden no estar 100% correctes.