Cita APA (7a ed.)

COLLINS, R. (1971). East To Cathay: : The Silk Road. World's Work Ltd.

Cita Chicago Style (17a ed.)

COLLINS, Robert. East To Cathay: : The Silk Road. Kingswood, Tadworth (Inglaterra): World's Work Ltd, 1971.

Cita MLA (9a ed.)

COLLINS, Robert. East To Cathay: : The Silk Road. World's Work Ltd, 1971.