APA

Nelkin D., . (1977). Science textbook controversies and the politics of equal time. Cambridge, Mass: MIT Press.

Chicago

Nelkin Dorothy, . 1977. Science textbook controversies and the politics of equal time. Cambridge, Mass: MIT Press.

Harvard

Nelkin D., . (1977). Science textbook controversies and the politics of equal time. Cambridge, Mass: MIT Press.

MLA

Nelkin Dorothy, . Science textbook controversies and the politics of equal time. Cambridge, Mass: MIT Press. 1977.