APA

Perrin P. G., . (1944). Writer's guide and index to English. New York: Scott, Foresman and Co.

Chicago

Perrin Porter Gale, . 1944. Writer's guide and index to English. New York: Scott, Foresman and Co.

Harvard

Perrin P. G., . (1944). Writer's guide and index to English. New York: Scott, Foresman and Co.

MLA

Perrin Porter Gale, . Writer's guide and index to English. New York: Scott, Foresman and Co. 1944.