Pack, R. (1968). Wallace Stevens: An approach to his poetry and thought. Gordian Press.
Citazione stile Chigago Style (17a edizione)Pack, Robert. Wallace Stevens: An Approach to His Poetry and Thought. New York: Gordian Press, 1968.
Citatione MLA (9a ed.)Pack, Robert. Wallace Stevens: An Approach to His Poetry and Thought. Gordian Press, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.