APA

Purdue University, Ray W. Herrick Laboratories & Report 2230-1. (1993). Active noise control in automobiles using the car audio system. West Lafayette, IN: Purdue University.

Chicago

Purdue University, Ray W. Herrick Laboratories and Report 2230-1. 1993. Active noise control in automobiles using the car audio system. West Lafayette, IN: Purdue University.

Harvard

Purdue University, Ray W. Herrick Laboratories and Report 2230-1. (1993). Active noise control in automobiles using the car audio system. West Lafayette, IN: Purdue University.

MLA

Purdue University, Ray W. Herrick Laboratories and Report 2230-1. Active noise control in automobiles using the car audio system. West Lafayette, IN: Purdue University. 1993.