Cita APA (7a ed.)

Davies, M., & Dugan, J. (1973). Europe around us. Holmes McDougall.

Cita Chicago Style (17a ed.)

Davies, Maxwell, y John Dugan. Europe Around Us. Edinburgh: Holmes McDougall, 1973.

Cita MLA (9a ed.)

Davies, Maxwell, y John Dugan. Europe Around Us. Holmes McDougall, 1973.