Cita APA (7a ed.)

Fodor, E., & Glauert, B. (1960). Spain and Portugal. Fodor's Modern Guides.

Cita Chicago Style (17a ed.)

Fodor, Eugene, y Betty Glauert. Spain and Portugal. [S.l.]: Fodor's Modern Guides, 1960.

Cita MLA (9a ed.)

Fodor, Eugene, y Betty Glauert. Spain and Portugal. Fodor's Modern Guides, 1960.