APA Format
Muir, Ramsay. (1939).
The expansion of Europa / by Ramsay Muir
. London.:: constable,;.
MLA Format
Muir, Ramsay.
The expansion of Europa / by Ramsay Muir
. London.:: constable,;, 1939
Chicago Format
Muir, Ramsay. The expansion of Europa / by Ramsay Muir. London.:: constable,;, 1939.