APA (7th ed.) Citation

Purkis, J. (1981). A preface to Wordsworth (6. impr.). Longman.

Chicago Style (17th ed.) Citation

Purkis, John. A Preface to Wordsworth. 6. impr. Harlow, Essex: Longman, 1981.

MLA (9th ed.) Citation

Purkis, John. A Preface to Wordsworth. 6. impr. Longman, 1981.