APA (7th ed.) Citation

Lockhart, R. H. B. (1933). British agent. G.P. Putnam's sons.

Chicago Style (17th ed.) Citation

Lockhart, Robert Hamilton Bruce. British Agent. New York ; London: G.P. Putnam's sons, 1933.

MLA (8th ed.) Citation

Lockhart, Robert Hamilton Bruce. British Agent. G.P. Putnam's sons, 1933.