Cita APA (7a ed.)

Leech, G. N. (1993). A linguistic guide to English poetry (5th published, 6th imp.). Longman.

Cita Chicago Style (17a ed.)

Leech, Geoffrey N. A Linguistic Guide to English Poetry. 5th published, 6th imp. London [etc.]: Longman, 1993.

Cita MLA (9a ed.)

Leech, Geoffrey N. A Linguistic Guide to English Poetry. 5th published, 6th imp. Longman, 1993.