Cita APA (7th ed.)
Bond, C., Siegfried, R., & Johnson, P. (1979). Antarctica. No single country. No single sea. Hamlyn.
Cita Chicago (17th ed.)
Bond, Creina, Roy Siegfried, i Peter Johnson. Antarctica. No Single Country. No Single Sea. London: Hamlyn, 1979.
Cita MLA (9th ed.)
Bond, Creina, et al. Antarctica. No Single Country. No Single Sea. Hamlyn, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.