APA (7th ed.) Citation

Shoemaker, P. J. (c 1991). Gatekeeping Communication concepts.

Chicago Style (17th ed.) Citation

Shoemaker, Pamela J. "Gatekeeping." Communication Concepts c 1991.

MLA (9th ed.) Citation

Shoemaker, Pamela J. "Gatekeeping." Communication Concepts, c 1991.

Warning: These citations may not always be 100% accurate.