APA Citation

With, T. K., Petersen, T. D., & Petersen, B. (1961). A simple spectrophotometric method for the determination of urea in blood and urine.

Chicago Style Citation

With, T. K., Tove Dreyer Petersen, and Birgit Petersen. A Simple Spectrophotometric Method for the Determination of Urea in Blood and Urine. 1961.

MLA Citation

With, T. K., Tove Dreyer Petersen, and Birgit Petersen. A Simple Spectrophotometric Method for the Determination of Urea in Blood and Urine. 1961.

Warning: These citations may not always be 100% accurate.