Cita APA (7th ed.)
Macadam, I. S., Grindrod, M., & Boas, A. (1970). The annual register: World events in 1969. Longman.
Cita Chicago (17th ed.)
Macadam, Ivison S., Muriel Grindrod, i Ann Boas. The Annual Register: World Events in 1969. London, [England]: Longman, 1970.
Cita MLA (9th ed.)
Macadam, Ivison S., et al. The Annual Register: World Events in 1969. Longman, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.