APA (7e ed.) Bronvermelding

Sutherland, H. (1934). A time to keep: By Halliday Sutherland. Morrow.

Chicago (17e ed.) Bronvermelding

Sutherland, Halliday. A Time to Keep: By Halliday Sutherland. New York: Morrow, 1934.

MLA (8e ed.) Bronvermelding

Sutherland, Halliday. A Time to Keep: By Halliday Sutherland. Morrow, 1934.

Let op: Deze citaties zijn niet altijd 100% accuraat.