Halacy, D. S. (1967). Lucky accidents in science. Dell Publishing.
Cita Chicago (17th ed.)Halacy, Daniel Stephen. Lucky Accidents in Science. Nueva York: Dell Publishing, 1967.
Cita MLA (9th ed.)Halacy, Daniel Stephen. Lucky Accidents in Science. Dell Publishing, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.