Cita APA (7a ed.)

Open House International Association. Open house international. [Open House International Association].

Cita Chicago Style (17a ed.)

Open House International Association. Open House International. Gateshead, Tyne & Wear, Northumberland, Great Britain: [Open House International Association].

Cita MLA (9a ed.)

Open House International Association. Open House International. [Open House International Association].