MLA

Van Son, Nic. Speech Processing Strategies for the Profoundly Hearing Impaired. Utrecht: s.n., 1993.

APA

Van Son, N. (1993). Speech processing strategies for the profoundly hearing impaired. Utrecht: s.n.

Chicago

Van Son, Nic Speech Processing Strategies for the Profoundly Hearing Impaired. Utrecht: s.n., 1993.