Selecting materials for school library media centers :
guidelines and selection sources to insure quality collections /
prepared by the American Association of School Librarians, a division of the American Library Association.
APA Citation
American Association of School Librarians. (1978). Selecting materials for school library media centers: guidelines and selection sources to insure quality collections. Rev. [Chicago, Ill.]: American Association of School Librarians.
MLA Citation
American Association of School Librarians. Selecting Materials for School Library Media Centers: Guidelines And Selection Sources to Insure Quality Collections. Rev. [Chicago, Ill.]: American Association of School Librarians, 1978.
Warning: These citations may not always be complete (especially for serials).