APA (7th ed.) Citation

Sperling, O., & Vahlensieck, W. (1981). Uric acid lithiasis. Steinkopff.

Chicago Style (17th ed.) Citation

Sperling, O., and W. Vahlensieck. Uric Acid Lithiasis. Heidelberg: Steinkopff, 1981.

MLA (9th ed.) Citation

Sperling, O., and W. Vahlensieck. Uric Acid Lithiasis. Steinkopff, 1981.