APA način citiranja

Padgett, P. E., & Leonard, R. T. (1993). Contamination of Ammonium-Based Nutrient Solutions by Nitrifying Organisms and the Conversion of Ammonium to Nitrate.

Čikaški stil citiranja

Padgett, P. E., i R. T. Leonard. Contamination of Ammonium-Based Nutrient Solutions By Nitrifying Organisms and the Conversion of Ammonium to Nitrate. 1993.

MLA način citiranja

Padgett, P. E., i R. T. Leonard. Contamination of Ammonium-Based Nutrient Solutions By Nitrifying Organisms and the Conversion of Ammonium to Nitrate. 1993.