Cita APA (7a ed.)

Fowler, W. S., & Pidcock, J. (1985). New proficiency english: Language and composition. Nelson.

Cita Chicago Style (17a ed.)

Fowler, W. S., y J. Pidcock. New Proficiency English: Language and Composition. Edinburgh: Nelson, 1985.

Cita MLA (8a ed.)

Fowler, W. S., y J. Pidcock. New Proficiency English: Language and Composition. Nelson, 1985.