APA (7th ed.) Citation

Knoll, T., & Humke, U. W. (2013). Urolithiasis in childhood. Der Urologe, 52(8), .

Chicago Style (17th ed.) Citation

Knoll, Thomas, and Ulrich W. Humke. "Urolithiasis in Childhood." Der Urologe 52, no. 8 (2013).

MLA (9th ed.) Citation

Knoll, Thomas, and Ulrich W. Humke. "Urolithiasis in Childhood." Der Urologe, vol. 52, no. 8, 2013.