Cita APA (7th ed.)

Williams, D. H. (1967). Spectroscopic problems in organic chemistry. McGraw-Hill Publishing.

Cita Chicago (17th ed.)

Williams, Dudley H. Spectroscopic Problems in Organic Chemistry. London: McGraw-Hill Publishing, 1967.

Cita MLA (9th ed.)

Williams, Dudley H. Spectroscopic Problems in Organic Chemistry. McGraw-Hill Publishing, 1967.