APA ציטוט

Bell, W. N., & Alton, H. G. (1955). Christmas Disease Associated with Factor VII Deficiency.

Citação norma Chicago

Bell, W. N., and H. G. Alton. Christmas Disease Associated With Factor VII Deficiency. 1955.

ציטוט MLA

Bell, W. N., and H. G. Alton. Christmas Disease Associated With Factor VII Deficiency. 1955.