APA (7th ed.) Citation
Hückel, W. (1955). Theoretical principles of organic chemistry. Elsevier Pub. Co..
Chicago Style (17th ed.) Citation
Hückel, Walter. Theoretical Principles of Organic Chemistry. Amsterdam, Houston: Elsevier Pub. Co., 1955.
MLA (9th ed.) Citation
Hückel, Walter. Theoretical Principles of Organic Chemistry. Elsevier Pub. Co., 1955.
Warning: These citations may not always be 100% accurate.