The Standard Catalogue of postage Stamps of the World : with 6955 illustrations.

MLA

The Standard Catalogue of Postage Stamps of the World : with 6955 Illustrations. 36th ed. Ipswich: Whitfield King & Co, 1937.

APA

(1937). The Standard Catalogue of postage Stamps of the World : with 6955 illustrations. 36th ed. Ipswich: Whitfield King & Co.

Chicago

The Standard Catalogue of Postage Stamps of the World: With 6955 Illustrations. 36th ed. Ipswich: Whitfield King & Co, 1937.