Alken, P. (1998). Urologische Leitsymptome. Urologie.
Chicago Style (17th ed.) CitationAlken, Peter. "Urologische Leitsymptome." Urologie 1998.
MLA (9th ed.) CitationAlken, Peter. "Urologische Leitsymptome." Urologie, 1998.
Warning: These citations may not always be 100% accurate.