APA (7th ed.) Citation

Doolittle, H. A. (1929). Bilbao, Spain, as market for toys. [publisher not identified].

Chicago Style (17th ed.) Citation

Doolittle, H. A. Bilbao, Spain, as Market for Toys. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Doolittle, H. A. Bilbao, Spain, as Market for Toys. [publisher not identified], 1929.