APA (7th ed.) Citation

Purkis, J. (1999). A preface to Wilfred Owen (1. publ.). Longman.

Chicago Style (17th ed.) Citation

Purkis, John. A Preface to Wilfred Owen. 1. publ. London [u.a.]: Longman, 1999.

MLA (9th ed.) Citation

Purkis, John. A Preface to Wilfred Owen. 1. publ. Longman, 1999.