(1992). Reiseführer Natur USA. Büchergilde Gutenberg.
Chicago Style (17th ed.) CitationReiseführer Natur USA. Frankfurt am Main [u.a.]: Büchergilde Gutenberg, 1992.
MLA (9th ed.) CitationReiseführer Natur USA. Büchergilde Gutenberg, 1992.
Warning: These citations may not always be 100% accurate.