Cita APA (7a ed.)

Baker, A. (1989). Ship or sheep?: An intermediate pronunciation course (2nd ed.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Baker, Ann. Ship or Sheep?: An Intermediate Pronunciation Course. 2nd ed. Cambridge: Cambridge University Press, 1989.

Cita MLA (8a ed.)

Baker, Ann. Ship or Sheep?: An Intermediate Pronunciation Course. 2nd ed. Cambridge University Press, 1989.