Semipostal Stamps : Authorization, Revenue, and Selection Process.

MLA

Library of Congress. Semipostal Stamps : Authorization, Revenue, and Selection Process. [Place of publication not identified] : [publisher not identified], 2005.

APA

Library of Congress. (2005). Semipostal Stamps : Authorization, Revenue, and Selection Process. [Place of publication not identified] : [publisher not identified].

Chicago

Library of Congress. Semipostal Stamps : Authorization, Revenue, and Selection Process. [Place of publication not identified] : [publisher not identified], 2005.