APA Style

Bockus, Henry L.. (1968). GASTROENTEROLOGY, VOLUME I, Second Edition (2nd). Philadelphia: W.B. Saunders Company.

Chicago Style

Bockus, Henry L.. GASTROENTEROLOGY, VOLUME I, Second Edition. 2nd Philadelphia: W.B. Saunders Company, 1968. Text.

MLA Style

Bockus, Henry L.. GASTROENTEROLOGY, VOLUME I, Second Edition. 2nd Philadelphia: W.B. Saunders Company, 1968. Text.

Turabian Style

Bockus, Henry L.. GASTROENTEROLOGY, VOLUME I, Second Edition. 2nd Philadelphia: W.B. Saunders Company, 1968. Print.