APA Style

Practice, I, C, [, A, P, A. (1991). Agroforestry: principles and practice: proceedings of an international conference, 23-28 July 1989... . Edinburgh: Elsevier.

MLA Style

Practice, INTERNATIONAL, Conference, [on], Agroforestry, Principles, And. "Agroforestry: principles and practice: proceedings of an international conference, 23-28 July 1989...". Edinburgh: Elsevier, 1991. Electronic resources.