APA
Hoffmann R. V., . (1997). Organic chemistry. Oxford: Oxford University Press.
Chicago
Hoffmann Robert V, . 1997. Organic chemistry. Oxford: Oxford University Press.
Harvard
Hoffmann R. V., . (1997). Organic chemistry. Oxford: Oxford University Press.
MLA
Hoffmann Robert V, . Organic chemistry. Oxford: Oxford University Press. 1997.