APA
Sykes G., Carnegie Institution of Washington & American Geographical Society (Nowy Jork). (1937). The Colorado Delta. Washington: Carnegie Institution of Washington.
Chicago
Sykes Godfrey, Carnegie Institution of Washington and American Geographical Society (Nowy Jork). 1937. The Colorado Delta. Washington: Carnegie Institution of Washington.
Harvard
Sykes G., Carnegie Institution of Washington and American Geographical Society (Nowy Jork). (1937). The Colorado Delta. Washington: Carnegie Institution of Washington.
MLA
Sykes Godfrey, Carnegie Institution of Washington and American Geographical Society (Nowy Jork). The Colorado Delta. Washington: Carnegie Institution of Washington. 1937.
TekstSerie: Publication - Carnegie Institution of Washington ; no. 460Szczegóły wydania: Washington : Carnegie Institution of Washington ; New York : American Geographical Society of New York, 1937.Opis: VII, 193 strony, [20] kart tablic, [1] karta tablic mapa kolorowa złożona : ilustracje ; 26 cmTyp zawartości: 
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