APA

Sim J. C., . (1969). The grass roots press: America's community newspapers. Ames: Iowa State University Press.

Chicago

Sim John Cameron, . 1969. The grass roots press: America's community newspapers. Ames: Iowa State University Press.

Harvard

Sim J. C., . (1969). The grass roots press: America's community newspapers. Ames: Iowa State University Press.

MLA

Sim John Cameron, . The grass roots press: America's community newspapers. Ames: Iowa State University Press. 1969.