Cita APA (7a ed.)
Holden Thorp, P. A Guide to Stamp Collecting: America's favorite family hobby.
Cita Chicago Style (17a ed.)
Holden Thorp, Prescott. A Guide to Stamp Collecting: America's Favorite Family Hobby.
Cita MLA (9a ed.)
Holden Thorp, Prescott. A Guide to Stamp Collecting: America's Favorite Family Hobby.
警告：這些引文格式不一定是100％准確.