Citação APA (7ª ed.)
Brookman Stamp Company & Kaufman, L. Brookman 1994: 60 Years as the Nation's Most Accurate and Respected Guide for Retail Stamp Prices.
Citação do estilo Chicago (17ª ed.)
Brookman Stamp Company e Lewis Kaufman. Brookman 1994: 60 Years as the Nation's Most Accurate and Respected Guide for Retail Stamp Prices.
Citação MLA (9ª ed.)
Brookman Stamp Company e Lewis Kaufman. Brookman 1994: 60 Years as the Nation's Most Accurate and Respected Guide for Retail Stamp Prices.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.