APA
Newbolt H., . (1926). Studies green & gray. London: T Nelson & son.
Chicago
Newbolt Henry, . 1926. Studies green & gray. London: T Nelson & son.
Harvard
Newbolt H., . (1926). Studies green & gray. London: T Nelson & son.
MLA
Newbolt Henry, . Studies green & gray. London: T Nelson & son. 1926.