APA (7th ed.) Citation

Cunningham, C. H. (1926). Tendency toward concentration in Spanish cotton industry. [publisher not identified].

Chicago Style (17th ed.) Citation

Cunningham, Charles Henry. Tendency Toward Concentration in Spanish Cotton Industry. Washington, D.C.: [publisher not identified], 1926.

MLA (9th ed.) Citation

Cunningham, Charles Henry. Tendency Toward Concentration in Spanish Cotton Industry. [publisher not identified], 1926.