APA (7th ed.) Citation

(1983). Agricultural research centres. Longman ; Distributed exclusively in the USA and Canada by Gale Research.

Chicago Style (17th ed.) Citation

Agricultural Research Centres. Harlow, Essex, UK : Detroit, MI, USA: Longman ; Distributed exclusively in the USA and Canada by Gale Research, 1983.

MLA (9th ed.) Citation

Agricultural Research Centres. Longman ; Distributed exclusively in the USA and Canada by Gale Research, 1983.