MLA

Ricci, F.M, and C Ferrari. Top Symbols and Trademarks of the World; Deel 2 : United States, Part Two : Canada. Milano: Deco Press, 1973.

APA

Ricci, F., & Ferrari, C. (1973). Top symbols and trademarks of the world; deel 2 : United States, part two : Canada. Milano: Deco Press.

Chicago

Ricci, F.M., and C Ferrari. Top Symbols and Trademarks of the World; Deel 2 : United States, Part Two : Canada. Milano: Deco Press, 1973.