Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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