APA
Jackman R., Beahrs O. H., . (1968). Tumors of the large bowel. Philaphelphia: W.B. Saunders.
Chicago
Jackman Raymond, Beahrs Oliver H, . 1968. Tumors of the large bowel. Philaphelphia: W.B. Saunders.
Harvard
Jackman R., Beahrs O. H., . (1968). Tumors of the large bowel. Philaphelphia: W.B. Saunders.
MLA
Jackman Raymond, Beahrs Oliver H, . Tumors of the large bowel. Philaphelphia: W.B. Saunders. 1968.