Cita APA (7a ed.)

Purkis, J. A. (1992). A preface to Wordsworth (Rev. ed., 4th impression.). Longman.

Cita Chicago Style (17a ed.)

Purkis, John Arthur. A Preface to Wordsworth. Rev. ed., 4th impression. London [etc.]: Longman, 1992.

Cita MLA (9a ed.)

Purkis, John Arthur. A Preface to Wordsworth. Rev. ed., 4th impression. Longman, 1992.