APA (7th ed.) Citation

Young, P. M. (1955). Elgar, O.M.: A study of a musician. Collins.

Chicago Style (17th ed.) Citation

Young, Percy M. Elgar, O.M.: A Study of a Musician. London: Collins, 1955.

MLA (9th ed.) Citation

Young, Percy M. Elgar, O.M.: A Study of a Musician. Collins, 1955.