Lenkert, E. (2001). Frommer's San Francisco 2002: By Erika Lenkert. Hungry Minds.
Cita Chicago Style (17a ed.)Lenkert, Erika. Frommer's San Francisco 2002: By Erika Lenkert. New York: Hungry Minds, 2001.
Cita MLA (8a ed.)Lenkert, Erika. Frommer's San Francisco 2002: By Erika Lenkert. Hungry Minds, 2001.
Precaución: Estas citas no son 100% exactas.