APA (7th ed.) Citation

Kubler, G., & Soria, M. (1959). Art and architecture in Spain and Portugal. Penguin Books.

Chicago Style (17th ed.) Citation

Kubler, George, and Martin Soria. Art and Architecture in Spain and Portugal. Harmondsworth: Penguin Books, 1959.

MLA (9th ed.) Citation

Kubler, George, and Martin Soria. Art and Architecture in Spain and Portugal. Penguin Books, 1959.