APA Style

Weeds, I, C, [, A, T, T, C, C, O. (1990). Alternatives to the chemical control of weeds: proceedings of an international conference held at the Forest Research Institute, Rotorua, New Zealand, 25-27 July 1989 . New Zealand: Forest Research Instutute.

MLA Style

Weeds, INTERNATIONAL, Conference, [on], Alternatives, To, The, Chemical, Control, Of. "Alternatives to the chemical control of weeds: proceedings of an international conference held at the Forest Research Institute, Rotorua, New Zealand, 25-27 July 1989". New Zealand: Forest Research Instutute, 1990. Electronic resources.