APA (7th ed.) Citation

Fox, R. Portugal 1936 / Ralph Fox. Madrid Barcelona : Ediciones Europa-América, [1937?].

Chicago Style (17th ed.) Citation

Fox, Ralph. Portugal 1936 / Ralph Fox. Madrid Barcelona : Ediciones Europa-América, [1937?].

MLA (8th ed.) Citation

Fox, Ralph. Portugal 1936 / Ralph Fox. Madrid Barcelona : Ediciones Europa-América, [1937?].

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