Cita APA (7a ed.)

Puerto Rico. Department of Agriculture. (1931). The journal of the Department of Agriculture of Puerto Rico. The Insular Experiment Station.

Cita Chicago Style (17a ed.)

Puerto Rico. Department of Agriculture. The Journal of the Department of Agriculture of Puerto Rico. Río Piedras: The Insular Experiment Station, 1931.

Cita MLA (8a ed.)

Puerto Rico. Department of Agriculture. The Journal of the Department of Agriculture of Puerto Rico. The Insular Experiment Station, 1931.