Cita APA (7a ed.)

Calderón de la Barca, P., Birch, F., & Trend, J. (1925). Life's a dream. W. Heffer & Sons.

Cita Chicago Style (17a ed.)

Calderón de la Barca, Pedro, Frank Birch, y J.B Trend. Life's a Dream. Cambridge: W. Heffer & Sons, 1925.

Cita MLA (9a ed.)

Calderón de la Barca, Pedro, et al. Life's a Dream. W. Heffer & Sons, 1925.