Cita APA (7th ed.)

Barker, T. C. (1984). Shifting cultivation practices among the Ikalahans. Program on Environmental Science and Management.

Cita Chicago (17th ed.)

Barker, Thomas C. Shifting Cultivation Practices Among the Ikalahans. Los Banos, Laguna: Program on Environmental Science and Management, 1984.

Cita MLA (9th ed.)

Barker, Thomas C. Shifting Cultivation Practices Among the Ikalahans. Program on Environmental Science and Management, 1984.