Gibbs, M., & Carla, C. (1985). Crop productivity - research imperatives revisited: An international conference held at Boyne Highlands Inn, Harbor Springs, Michigan, October 11-13, 1985. [n.s].
Chicago Style (17th ed.) CitationGibbs, Martin, and Carlson Carla. Crop Productivity - Research Imperatives Revisited: An International Conference Held at Boyne Highlands Inn, Harbor Springs, Michigan, October 11-13, 1985. [n.p]: [n.s], 1985.
MLA (9th ed.) CitationGibbs, Martin, and Carlson Carla. Crop Productivity - Research Imperatives Revisited: An International Conference Held at Boyne Highlands Inn, Harbor Springs, Michigan, October 11-13, 1985. [n.s], 1985.
Warning: These citations may not always be 100% accurate.