APA (7th ed.) Citation

Hanson, N. R. (1971). Observation and explanation: A guide to philosophy of science. Harper & Row.

Chicago Style (17th ed.) Citation

Hanson, Norwood Russell. Observation and Explanation: A Guide to Philosophy of Science. New York: Harper & Row, 1971.

MLA (9th ed.) Citation

Hanson, Norwood Russell. Observation and Explanation: A Guide to Philosophy of Science. Harper & Row, 1971.