APA

Combs R. E., . (1971). Authors: critical and biographical references : a guide to 4,700 critical and biographical passages in books. Metuchen, N.J: Scarecrow Press.

Chicago

Combs Richard E, . 1971. Authors: critical and biographical references : a guide to 4,700 critical and biographical passages in books. Metuchen, N.J: Scarecrow Press.

Harvard

Combs R. E., . (1971). Authors: critical and biographical references : a guide to 4,700 critical and biographical passages in books. Metuchen, N.J: Scarecrow Press.

MLA

Combs Richard E, . Authors: critical and biographical references : a guide to 4,700 critical and biographical passages in books. Metuchen, N.J: Scarecrow Press. 1971.