APA
Burghardt E., Girardi F. & Pickel H. (1998). Colposcopy, cervical pathology : textbook and atlas. New York: Thieme.
Chicago
Burghardt E, Girardi Frank and Pickel Hellmuth. 1998. Colposcopy, cervical pathology : textbook and atlas. New York: Thieme.
Harvard
Burghardt E., Girardi F. and Pickel H. (1998). Colposcopy, cervical pathology : textbook and atlas. New York: Thieme.
MLA
Burghardt E, Girardi Frank and Pickel Hellmuth. Colposcopy, cervical pathology : textbook and atlas. New York: Thieme. 1998.