Cita APA (7a ed.)

Spross, C. G., & Rogers, G. (1908). Yesterday and today. Theodore Presser.

Cita Chicago Style (17a ed.)

Spross, Charles Gilbert, y Gertrude Rogers. Yesterday and Today. Philadelphia: Theodore Presser, 1908.

Cita MLA (9a ed.)

Spross, Charles Gilbert, y Gertrude Rogers. Yesterday and Today. Theodore Presser, 1908.