Cita APA (7a ed.)

Leech, G. N. (1971). A linguistic guide to English poetry. Longman.

Cita Chicago Style (17a ed.)

Leech, Geoffrey N. A Linguistic Guide to English Poetry. London: Longman, 1971.

Cita MLA (9a ed.)

Leech, Geoffrey N. A Linguistic Guide to English Poetry. Longman, 1971.