Spender, S., & Hall, D. (1970). The concise encyclopedia of English and American poets and poetry (2nd ed. (revised in new format).). Hutchinson.

Spender, Stephen, and Donald Hall. The Concise Encyclopedia of English and American Poets and Poetry. 2nd ed. (revised in new format). London: Hutchinson, 1970.

Spender, Stephen, and Donald Hall. The Concise Encyclopedia of English and American Poets and Poetry. 2nd ed. (revised in new format). Hutchinson, 1970.