Cita APA (7a ed.)

Tregidgo, P. S. (1967). A background to English. Longmans.

Cita Chicago Style (17a ed.)

Tregidgo, P. S. A Background to English. London: Longmans, 1967.

Cita MLA (8a ed.)

Tregidgo, P. S. A Background to English. Longmans, 1967.