APA (7th ed.) Citation

Purdy, A. (2004). Yours, Al: The collected letters of Al Purdy. Harbour Publ.

Chicago Style (17th ed.) Citation

Purdy, Al. Yours, Al: The Collected Letters of Al Purdy. Madeira Park, BC: Harbour Publ, 2004.

MLA (9th ed.) Citation

Purdy, Al. Yours, Al: The Collected Letters of Al Purdy. Harbour Publ, 2004.