APA (7th ed.) Citation

Concepcion, R. N. (1983). A quantitative land evaluation technique for rainfed agriculture in a developing country (the Philippines). [publisher not identified].

Chicago Style (17th ed.) Citation

Concepcion, Rogelio N. A Quantitative Land Evaluation Technique for Rainfed Agriculture in a Developing Country (the Philippines). [Place of publication not identified]: [publisher not identified], 1983.

MLA (9th ed.) Citation

Concepcion, Rogelio N. A Quantitative Land Evaluation Technique for Rainfed Agriculture in a Developing Country (the Philippines). [publisher not identified], 1983.