APA (7th ed.) Zitazioa

Chapman, S. (1912). The Eagle and Maximilian Stamps of Mexico (1a. ed.). Stanley Gibbons.

Chicago Style (17th ed.) Zitazioa

Chapman, S. The Eagle and Maximilian Stamps of Mexico. 1a. ed. Londres: Stanley Gibbons, 1912.

MLA (9th ed.) Zitazioa

Chapman, S. The Eagle and Maximilian Stamps of Mexico. 1a. ed. Stanley Gibbons, 1912.