Cita APA (7a ed.)

Posin, D. Q., & Tobin, D. B. (2003). Principles of federal income taxation (6th ed.). Thomson/West.

Cita Chicago Style (17a ed.)

Posin, Daniel Q., y Donald B. Tobin. Principles of Federal Income Taxation. 6th ed. St. Paul, MN: Thomson/West, 2003.

Cita MLA (9a ed.)

Posin, Daniel Q., y Donald B. Tobin. Principles of Federal Income Taxation. 6th ed. Thomson/West, 2003.