Cita APA

Gray, J. E. (1875). The illustrated catalogue of postage stamps (6a. ed.). E. Marlborough & Co.

Citación estilo Chicago

Gray, John Edward. The Illustrated Catalogue of Postage Stamps. 6a. ed. Londres: E. Marlborough & Co, 1875.

Cita MLA

Gray, John Edward. The Illustrated Catalogue of Postage Stamps. 6a. ed. E. Marlborough & Co, 1875.