Citação APA (7ª ed.)
Villiard, P. Collecting Stamps: Everything you need to know to pursue the world's most popular hobby for fun, knowledge, and profit.
Citação do estilo Chicago (17ª ed.)
Villiard, Paul. Collecting Stamps: Everything You Need to Know to Pursue the World's Most Popular Hobby for Fun, Knowledge, and Profit.
Citação MLA (9ª ed.)
Villiard, Paul. Collecting Stamps: Everything You Need to Know to Pursue the World's Most Popular Hobby for Fun, Knowledge, and Profit.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.