Letters from many pens,
a collection of letters chosen and ed., with introduction and notes, by Margaret Coult ...
APA Citation
Coult, M. (1922). Letters from many pens. New York: The Macmillan company.
MLA Citation
Coult, Margaret. Letters From Many Pens. New York: The Macmillan company, 1922.
Warning: These citations may not always be complete (especially for serials).