Style de citation APA (7e éd.)

Geier, D. A. (2020). U.S. Federal Income Taxation of Individuals 2023. CALI's eLangdell® Press.

Style de citation Chicago (17e éd.)

Geier, Deborah A. U.S. Federal Income Taxation of Individuals 2023. [Place of publication not identified]: CALI's eLangdell® Press, 2020.

Style de citation MLA (9e éd.)

Geier, Deborah A. U.S. Federal Income Taxation of Individuals 2023. CALI's eLangdell® Press, 2020.