Severn & Somme, by Ivor Gurney, private, of the Gloucesters.
MLA
Severn & Somme, by Ivor Gurney, Private, of the Gloucesters. Sidgwick & Jackson, ltd., 1917. https://collections.library.yale.edu/catalog/2007861.
APA, 6th edition
Severn & Somme, by Ivor Gurney, private, of the Gloucesters. (1917). [Title pages]. Sidgwick & Jackson, ltd. https://collections.library.yale.edu/catalog/2007861.