APA
W. Beermann, . (1962). Chromosoma. Baltimore: The Williams & Wilkins Company.
Chicago
W. Beermann, . 1962. Chromosoma. Baltimore: The Williams & Wilkins Company.
Harvard
W. Beermann, . (1962). Chromosoma. Baltimore: The Williams & Wilkins Company.
MLA
W. Beermann, . Chromosoma. Baltimore: The Williams & Wilkins Company. 1962.