APA (7th ed.) Citation

Stewart, R. (1984). Basic grains pricing policies and their effects in Costa Rica. [publisher not identified].

Chicago Style (17th ed.) Citation

Stewart, Rigoberto. Basic Grains Pricing Policies and Their Effects in Costa Rica. [Place of publication not identified]: [publisher not identified], 1984.

MLA (9th ed.) Citation

Stewart, Rigoberto. Basic Grains Pricing Policies and Their Effects in Costa Rica. [publisher not identified], 1984.