Cita APA (7th ed.)

Walker, D. (1958). Harry Black. R. & R. Clark, LTD..

Cita Chicago (17th ed.)

Walker, David. Harry Black. London: R. & R. Clark, LTD., 1958.

Cita MLA (9th ed.)

Walker, David. Harry Black. R. & R. Clark, LTD., 1958.