Cita APA (7a ed.)

Leech, G. N. (1973). A linguistic guide to English poetry (3rd imp.). Longman.

Cita Chicago Style (17a ed.)

Leech, Geoffrey N. A Linguistic Guide to English Poetry. 3rd imp. London: Longman, 1973.

Cita MLA (9a ed.)

Leech, Geoffrey N. A Linguistic Guide to English Poetry. 3rd imp. Longman, 1973.