Smith, H. (1970). Porto Bello Gold. Kinderbuchverlag.
Chicago Style (17th ed.) CitationSmith, Howden. Porto Bello Gold. Berlin: Kinderbuchverlag, 1970.
MLA (8th ed.) CitationSmith, Howden. Porto Bello Gold. Kinderbuchverlag, 1970.
Warning: These citations may not always be 100% accurate.