APA (7th ed.) Citation
Ciccarelli, N., & ET AL. (2013). Effect of aging and human immunodeficiency virus infection on cognitive abilities.
Chicago Style (17th ed.) Citation
Ciccarelli, N., and ET AL. Effect of Aging and Human Immunodeficiency Virus Infection on Cognitive Abilities. 2013.
MLA (9th ed.) Citation
Ciccarelli, N., and ET AL. Effect of Aging and Human Immunodeficiency Virus Infection on Cognitive Abilities. 2013.
Warning: These citations may not always be 100% accurate.