APA

Carroll J. B., Davies P. & Richman B. (1971). The American heritage word frequency book. Boston: Houghton Mifflin.

Chicago

Carroll John Bissell, Davies Peter and Richman Barry. 1971. The American heritage word frequency book. Boston: Houghton Mifflin.

Harvard

Carroll J. B., Davies P. and Richman B. (1971). The American heritage word frequency book. Boston: Houghton Mifflin.

MLA

Carroll John Bissell, Davies Peter and Richman Barry. The American heritage word frequency book. Boston: Houghton Mifflin. 1971.