Cita APA

Turnbull, H. R., & Turnbull, A. P. (1985). Parents speak out: Then and now (2nd ed.). C.E. Merrill Pub. Co.

Citación estilo Chicago

Turnbull, H. Rutherford, and Ann P. Turnbull. Parents Speak Out: Then and Now. 2nd ed. Columbus: C.E. Merrill Pub. Co, 1985.

Cita MLA

Turnbull, H. Rutherford, and Ann P. Turnbull. Parents Speak Out: Then and Now. 2nd ed. C.E. Merrill Pub. Co, 1985.