Cita APA (7a ed.)

Woolf, A. (2007). Focus on the United Kingdom (North American ed.). World Almanac Library.

Cita Chicago Style (17a ed.)

Woolf, Alex. Focus on the United Kingdom. North American ed. Milwaukee, WI: World Almanac Library, 2007.

Cita MLA (8a ed.)

Woolf, Alex. Focus on the United Kingdom. North American ed. World Almanac Library, 2007.

Precaución: Estas citas no son 100% exactas.