Cita APA (7th ed.)

Pearson, H. (1942). G. B. S: A full length portrait. Harper.

Cita Chicago (17th ed.)

Pearson, Hesketh. G. B. S: A Full Length Portrait. New York ; London: Harper, 1942.

Cita MLA (8th ed.)

Pearson, Hesketh. G. B. S: A Full Length Portrait. Harper, 1942.