Cita APA (7th ed.)

Zimmerman, K., & St Louis, R. (2015). Washington, DC (6th edition.). Lonely Planet Publications Pty Limited.

Cita Chicago (17th ed.)

Zimmerman, Karla, i Regis St Louis. Washington, DC. 6th edition. Footscray, Victoria, Australia: Lonely Planet Publications Pty Limited, 2015.

Cita MLA (9th ed.)

Zimmerman, Karla, i Regis St Louis. Washington, DC. 6th edition. Lonely Planet Publications Pty Limited, 2015.