IV. Score in a series:  Use the same style as a "Book in a Series."
(Note: DO NOT underline or italicize the series title)  following MLA 8  p.52

b. With series number:

Barber, Samuel.  String Quartet Op. 11.  G. Schirmer, 1943.  G. Schirmer's Edition of Study Scores of Orchestral Works and Chamber Music, no. 28.  Miniature Score.

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