APA Style

Heidegger, Martin. (c1971). Poetry, language, thought . New York: Harper & Row.

Chicago Style

Heidegger, Martin. Poetry, language, thought. New York: Harper & Row, c1971. Text.

MLA Style

Heidegger, Martin. Poetry, language, thought. New York: Harper & Row, c1971. Text.

Turabian Style

Heidegger, Martin. Poetry, language, thought. New York: Harper & Row, c1971. Print.