APA

Robotham J. S., Shields G. R., . (1982). Freedom of access to library materials. New York, N.Y: Neal-Schuman Publishers.

Chicago

Robotham John S, Shields Gerald R, . 1982. Freedom of access to library materials. New York, N.Y: Neal-Schuman Publishers.

Harvard

Robotham J. S., Shields G. R., . (1982). Freedom of access to library materials. New York, N.Y: Neal-Schuman Publishers.

MLA

Robotham John S, Shields Gerald R, . Freedom of access to library materials. New York, N.Y: Neal-Schuman Publishers. 1982.