APA (7th ed.) Citation

(1936). Calle de Alcalá. Series of 2 photos.

Chicago Style (17th ed.) Citation

Calle De Alcalá. Series of 2 Photos. 1936.

MLA (8th ed.) Citation

Calle De Alcalá. Series of 2 Photos. 1936.

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