Citazione Stile APA (7a Edizione)

Grierson, H. (1960). A critical history of english poetry. Penguin Books.

Citazione stile Chigago Style (17a edizione)

Grierson, Herbert. A Critical History of English Poetry. Harmondsworth: Penguin Books, 1960.

Citatione MLA (9a ed.)

Grierson, Herbert. A Critical History of English Poetry. Penguin Books, 1960.