Cita APA (7a ed.)

Adams, M. E. (1982). Agricultural extension in developing countries. Longman.

Cita Chicago Style (17a ed.)

Adams, M. E. Agricultural Extension in Developing Countries. Burnt Mill, Harlow, Essex: Longman, 1982.

Cita MLA (8a ed.)

Adams, M. E. Agricultural Extension in Developing Countries. Longman, 1982.