Cita APA (7a ed.)

Independent Petroleum Association of America. The Oil producing industry in your state. Petroleum Independent Publishers.

Cita Chicago Style (17a ed.)

Independent Petroleum Association of America. The Oil Producing Industry in Your State. [Washington: Petroleum Independent Publishers.

Cita MLA (8a ed.)

Independent Petroleum Association of America. The Oil Producing Industry in Your State. Petroleum Independent Publishers.