Flags of the world
MLA
Barraclough, E. M. C., and W. G Crampton.
Flags of the World. 2nd ed., with revisions and suppl. London: F. Warne, 1981.
APA
Barraclough, E. M. C., & Crampton, W. G. (1981).
Flags of the world. 2nd ed., with revisions and suppl. London: F. Warne.
Chicago
Barraclough, E. M. C., and W. G. Crampton.
Flags of the World. 2nd ed., with revisions and suppl. London: F. Warne, 1981.