Cita APA (7a ed.)

Popkin, W. D. (2002). Fundamentals of federal income tax law (4th ed.). LexisNexis.

Cita Chicago Style (17a ed.)

Popkin, William D. Fundamentals of Federal Income Tax Law. 4th ed. Newark: LexisNexis, 2002.

Cita MLA (9a ed.)

Popkin, William D. Fundamentals of Federal Income Tax Law. 4th ed. LexisNexis, 2002.