Diagram Group, autor, & Lambert, D. (1989). La tierra. Edaf.
Chicago Style (17th ed.) CitationDiagram Group, autor, and David Lambert. La Tierra. Madrid: Edaf, 1989.
MLA (9th ed.) CitationDiagram Group, autor, and David Lambert. La Tierra. Edaf, 1989.
Warning: These citations may not always be 100% accurate.