APA-viite

Sheafer, L. (1968). O'Neill: Son and playwright. j.m. dent and sons.

Chicago-tyylinen lähdeviittaus

Sheafer, Louis. O'Neill: Son and Playwright. London: j.m. dent and sons, 1968.

MLA-viite

Sheafer, Louis. O'Neill: Son and Playwright. j.m. dent and sons, 1968.