Calder, R., Amirsadeghi, H., & Borgese, E. M. (1983). The Future of a troubled world. Heinemann.
Cita Chicago Style (17a ed.)Calder, Ritchie, Hossein Amirsadeghi, y Elisabeth Mann Borgese. The Future of a Troubled World. London: Heinemann, 1983.
Cita MLA (9a ed.)Calder, Ritchie, et al. The Future of a Troubled World. Heinemann, 1983.
Precaución: Estas citas no son 100% exactas.