Comparative salary data,
APA Citation
Bureau of Municipal Research (Philadelphia, P., Beyer, W. C. (William Carl). (1916). Comparative salary data. [Philadelphia: Bureau of municipal research].
MLA Citation
Bureau of Municipal Research (Philadelphia, Pa.), and William C. (William Carl) Beyer. Comparative Salary Data. [Philadelphia: Bureau of municipal research], 1916.
Warning: These citations may not always be complete (especially for serials).