Cita APA (7a ed.)
Macadam, I. S., Grindrod, M., & Boas, A. (1971). The annual register: A record of world events in 1970. Longman.
Cita Chicago Style (17a ed.)
Macadam, Ivison S., Muriel Grindrod, y Ann Boas. The Annual Register: A Record of World Events in 1970. London, [England]: Longman, 1971.
Cita MLA (9a ed.)
Macadam, Ivison S., et al. The Annual Register: A Record of World Events in 1970. Longman, 1971.
Precaución: Estas citas no son 100% exactas.