Book numbers;
a manual for students, with a basic code of rules.
APA Citation
Barden, B. Rickenbrode., American Library Association. (1937). Book numbers: a manual for students, with a basic code of rules. Chicago: American library association.
MLA Citation
Barden, Bertha Rickenbrode, 1883-, and American Library Association. Book Numbers: a Manual for Students, With a Basic Code of Rules. Chicago: American library association, 1937.
Warning: These citations may not always be complete (especially for serials).