APA (7th ed.) Citation

WATSON, M. &. Y. (1963). Constitutional problems in organic Chemistry. Van Nostrand.

Chicago Style (17th ed.) Citation

WATSON, M.B. & YOUNGSON. Constitutional Problems in Organic Chemistry. London: Van Nostrand, 1963.

MLA (9th ed.) Citation

WATSON, M.B. & YOUNGSON. Constitutional Problems in Organic Chemistry. Van Nostrand, 1963.