Cita APA (7a ed.)

Hopkins, B. R. (1987). The law of tax exempt organizations (6th. ed.). John Wiley & sons.

Cita Chicago Style (17a ed.)

Hopkins, Bruce R. The Law of Tax Exempt Organizations. 6th. ed. New York [etc.]: John Wiley & sons, 1987.

Cita MLA (9a ed.)

Hopkins, Bruce R. The Law of Tax Exempt Organizations. 6th. ed. John Wiley & sons, 1987.