APA

Ward M. E., Marquardt D. A., . (1979). Authors of books for young people: supplement to the second edition. Metuchen, N.J: Scarecrow Press.

Chicago

Ward Martha Eads, Marquardt Dorothy A, . 1979. Authors of books for young people: supplement to the second edition. Metuchen, N.J: Scarecrow Press.

Harvard

Ward M. E., Marquardt D. A., . (1979). Authors of books for young people: supplement to the second edition. Metuchen, N.J: Scarecrow Press.

MLA

Ward Martha Eads, Marquardt Dorothy A, . Authors of books for young people: supplement to the second edition. Metuchen, N.J: Scarecrow Press. 1979.