APA (7th ed.) Citation

DeGroot, A. T. (1970). Library of American church records, personnel, statistics, development, in [microform]: Series 2. [Ecumenism Research Agency?].

Chicago Style (17th ed.) Citation

DeGroot, A. T. Library of American Church Records, Personnel, Statistics, Development, in [microform]: Series 2. [Estes Park, Colo.?]: [Ecumenism Research Agency?], 1970.

MLA (9th ed.) Citation

DeGroot, A. T. Library of American Church Records, Personnel, Statistics, Development, in [microform]: Series 2. [Ecumenism Research Agency?], 1970.