APA (7th ed.) Citation

A, R. (1964). <A >torre de Barbela. Livraria Portugal.

Chicago Style (17th ed.) Citation

A, Ruben. <A >torre De Barbela. Livraria Portugal, 1964.

MLA (8th ed.) Citation

A, Ruben. <A >torre De Barbela. Livraria Portugal, 1964.

Warning: These citations may not always be 100% accurate.