APA

Delton J., . (1985). The 29 most common writing mistakes and how to avoid them. Cincinnati (Ohio, Estados Unidos): Writer's Digest Books.

Chicago

Delton Judy, . 1985. The 29 most common writing mistakes and how to avoid them. Cincinnati (Ohio, Estados Unidos): Writer's Digest Books.

Harvard

Delton J., . (1985). The 29 most common writing mistakes and how to avoid them. Cincinnati (Ohio, Estados Unidos): Writer's Digest Books.

MLA

Delton Judy, . The 29 most common writing mistakes and how to avoid them. Cincinnati (Ohio, Estados Unidos): Writer's Digest Books. 1985.