Style de citation APA (7e éd.)

Leech, G. N. (1969). Towards a semantic description of English. Longmans.

Style de citation Chicago (17e éd.)

Leech, Geoffrey N. Towards a Semantic Description of English. [London]: Longmans, 1969.

Style de citation MLA (9e éd.)

Leech, Geoffrey N. Towards a Semantic Description of English. Longmans, 1969.