APA Format
Tilkin, Sheldon; Gregorith, Barbara; Pape, Richard. (1980).
Comma /developed by Sheldon L. Tilkin, Barbara Gregorith and Richard Pape
. : Educational Development Corporation,.
MLA Format
Tilkin, Sheldon; Gregorith, Barbara; Pape, Richard.
Comma /developed by Sheldon L. Tilkin, Barbara Gregorith and Richard Pape
. : Educational Development Corporation,, 1980
Chicago Format
Tilkin, Sheldon; Gregorith, Barbara; Pape, Richard. Comma /developed by Sheldon L. Tilkin, Barbara Gregorith and Richard Pape. : Educational Development Corporation,, 1980.