APA (7th ed.) Citation

MacDonald, S. H., Prolman, J. B., & Ballard, R. M. (1978). Centralized access to municipal information in the city of Durham. Durham Urban Observatory.

Chicago Style (17th ed.) Citation

MacDonald, Susan H., Janet B. Prolman, and Robert M. Ballard. Centralized Access to Municipal Information in the City of Durham. [Durham, N.C.]: Durham Urban Observatory, 1978.

MLA (9th ed.) Citation

MacDonald, Susan H., et al. Centralized Access to Municipal Information in the City of Durham. Durham Urban Observatory, 1978.