Cita APA (7a ed.)

Sudhalter, V., Scarborough, H. S., & Cohen, I. L. (1991). Syntactic delay and pragmatic deviance in the language of fragile X males. [s.n.].

Cita Chicago Style (17a ed.)

Sudhalter, Vicki, Hollis S. Scarborough, y Ira L. Cohen. Syntactic Delay and Pragmatic Deviance in the Language of Fragile X Males. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Sudhalter, Vicki, et al. Syntactic Delay and Pragmatic Deviance in the Language of Fragile X Males. [s.n.], 1991.