Gehrkens, K. W. (1936). Music in the grade schools: (grades 1-6) (4th impression.). C. C. Birchard & co..
Chicago Style (17th ed.) CitationGehrkens, Karl Wilson. Music in the Grade Schools: (grades 1-6). 4th impression. Boston: C. C. Birchard & co., 1936.
MLA (9th ed.) CitationGehrkens, Karl Wilson. Music in the Grade Schools: (grades 1-6). 4th impression. C. C. Birchard & co., 1936.
Warning: These citations may not always be 100% accurate.