Twentieth century Europe /
by Preston William Slosson; with a supplementary chapter of modern science, by Edwin E. Slosson under the editorship of James T. Shotwell.

APA Citation

Slosson, P. W. (Preston William)., Shotwell, J. T., Slosson, E. E. (Edwin Emery). (1927). Twentieth century Europe. Boston: Houghton Mifflin company.

MLA Citation

Slosson, Preston W. (Preston William), 1892-1984, James T. Shotwell, and Edwin E. (Edwin Emery) Slosson. Twentieth Century Europe. Boston: Houghton Mifflin company, 1927.

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