Cita APA (7th ed.)

Mortimer, C. (1977). Weak forms: A pronunciation practice book. Cambridge University.

Cita Chicago (17th ed.)

Mortimer, Colin. Weak Forms: A Pronunciation Practice Book. Cambridge: Cambridge University, 1977.

Cita MLA (9th ed.)

Mortimer, Colin. Weak Forms: A Pronunciation Practice Book. Cambridge University, 1977.