JS, U., & IK, P. (1999). Effects of microbial phytase supplementation on egg production, eggshell quality, and mineral retention of laying hens fed different levels of phosphorus. Poultry science, 78(1), 75. https://doi.org/10.1093/ps/78.1.75
Chicago Style (17th ed.) CitationJS, Um, and Paik IK. "Effects of Microbial Phytase Supplementation on Egg Production, Eggshell Quality, and Mineral Retention of Laying Hens Fed Different Levels of Phosphorus." Poultry Science 78, no. 1 (1999): 75. https://doi.org/10.1093/ps/78.1.75.
MLA (9th ed.) CitationJS, Um, and Paik IK. "Effects of Microbial Phytase Supplementation on Egg Production, Eggshell Quality, and Mineral Retention of Laying Hens Fed Different Levels of Phosphorus." Poultry Science, vol. 78, no. 1, 1999, p. 75, https://doi.org/10.1093/ps/78.1.75.