Letters to a friend,
edited by Alice Holtby [and] Jean McWilliam.

APA Citation

Holtby, W., McWilliam, J., Holtby, A. (1937). Letters to a friend. London: Collins.

MLA Citation

Holtby, Winifred, 1898-1935, Jean McWilliam, and Alice Holtby. Letters to a Friend. London: Collins, 1937.

Warning: These citations may not always be complete (especially for serials).