APA (7th ed.) Citation

Lawson, E. B. (1930). Market for tennis strings in South Africa. [publisher not identified].

Chicago Style (17th ed.) Citation

Lawson, Edward Burnett. Market for Tennis Strings in South Africa. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Lawson, Edward Burnett. Market for Tennis Strings in South Africa. [publisher not identified], 1930.