The seltzer worker :
40th anniversary, 1906-1946 : Saturday, Dec. 21st, 1946, at Beethoven Hall, 210 East 5th Street, New York.

APA Citation

(1946). The seltzer worker: 40th anniversary, 1906-1946 : Saturday, Dec. 21st, 1946, at Beethoven Hall, 210 East 5th Street, New York. [New York]: [Seltzer Workers Union].

MLA Citation

The Seltzer Worker: 40th Anniversary, 1906-1946 : Saturday, Dec. 21st, 1946, At Beethoven Hall, 210 East 5th Street, New York. [New York]: [Seltzer Workers Union], 1946.

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