Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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