APA način citiranja (7. izdanje)
Gray, H., Parker, W., & Smith, S. (2015). State of knowledge of the use of sorption technologies for nutrient recovery from municipal wastewaters. Water Environment Research Foundation.
Čikaški stil citiranja (17. izdanje)
Gray, Holly, Wayne Parker, i Scott Smith. State of Knowledge of the Use of Sorption Technologies for Nutrient Recovery from Municipal Wastewaters. Alexandria, [Virginia]: Water Environment Research Foundation, 2015.
MLA način citiranja (9. izdanje)
Gray, Holly, et al. State of Knowledge of the Use of Sorption Technologies for Nutrient Recovery from Municipal Wastewaters. Water Environment Research Foundation, 2015.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.