Citazione Stile APA (7a Edizione)

Gibbons, R., Wilkie, A., Weatherall, D., & Higgs, D. (1991). A newly defined X linked mental retardation syndrome associated with alpha thalassaemia.

Citazione stile Chigago Style (17a edizione)

Gibbons, R., A. Wilkie, D. Weatherall, e D. Higgs. A Newly Defined X Linked Mental Retardation Syndrome Associated with Alpha Thalassaemia. 1991.

Citatione MLA (9a ed.)

Gibbons, R., et al. A Newly Defined X Linked Mental Retardation Syndrome Associated with Alpha Thalassaemia. 1991.