APA

The Waite Group, Angermeyer J., Henderson H. & Waite Group. (1989). Understanding MS-DOS. Carmel, Ind., USA: H.W. Sams.

Chicago

The Waite Group, Angermeyer John, Henderson Harry and Waite Group. 1989. Understanding MS-DOS. Carmel, Ind., USA: H.W. Sams.

Harvard

The Waite Group, Angermeyer J., Henderson H. and Waite Group. (1989). Understanding MS-DOS. Carmel, Ind., USA: H.W. Sams.

MLA

The Waite Group, Angermeyer John, Henderson Harry and Waite Group. Understanding MS-DOS. Carmel, Ind., USA: H.W. Sams. 1989.