APA
John W. Yarbro, . (1999). Seminars in Oncelogy. Philadelphia: W. B. Saunders Company.
Chicago
John W. Yarbro, . 1999. Seminars in Oncelogy. Philadelphia: W. B. Saunders Company.
Harvard
John W. Yarbro, . (1999). Seminars in Oncelogy. Philadelphia: W. B. Saunders Company.
MLA
John W. Yarbro, . Seminars in Oncelogy. Philadelphia: W. B. Saunders Company. 1999.