Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.