APA

Clark R., . (1968). Data bank or information systems publications - with emphasis on land use. Monticello, IL: Council of Planning Librarians. Exchange bibliography nr 59.

Chicago

Clark RA, . 1968. Data bank or information systems publications - with emphasis on land use. Monticello, IL: Council of Planning Librarians. Exchange bibliography nr 59.

Harvard

Clark R., . (1968). Data bank or information systems publications - with emphasis on land use. Monticello, IL: Council of Planning Librarians. Exchange bibliography nr 59.

MLA

Clark RA, . Data bank or information systems publications - with emphasis on land use. Monticello, IL: Council of Planning Librarians. Exchange bibliography nr 59. 1968.