Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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