Blum, R., & Sinclair, J. (1999). Trucos matemágicos. United Games.
Chicago Style (17th ed.) CitationBlum, Raymond, and Jeff Sinclair. Trucos Matemágicos. Buenos Aires: United Games, 1999.
MLA (9th ed.) CitationBlum, Raymond, and Jeff Sinclair. Trucos Matemágicos. United Games, 1999.
Warning: These citations may not always be 100% accurate.