APA (7th ed.) Citation

Penn, J., & Abdi. (2020). Why can't I walk upside down? SASBADI SDN. BHD.

Chicago Style (17th ed.) Citation

Penn, Julie, and Abdi. Why Can't I Walk Upside Down? Petaling Jaya, Selangor: SASBADI SDN. BHD, 2020.

MLA (9th ed.) Citation

Penn, Julie, and Abdi. Why Can't I Walk Upside Down? SASBADI SDN. BHD, 2020.