APA (7th ed.) Citation

(1937). On the back: A salute to the International Red Help of Catalonia.

Chicago Style (17th ed.) Citation

On the Back: A Salute to the International Red Help of Catalonia. 1937.

MLA (8th ed.) Citation

On the Back: A Salute to the International Red Help of Catalonia. 1937.

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