APA (7th ed.) Citation

Niall Williams. (1998). Four letters of love. Picador.

Chicago Style (17th ed.) Citation

Niall Williams. Four Letters of Love. London: Picador, 1998.

MLA (9th ed.) Citation

Niall Williams. Four Letters of Love. Picador, 1998.

Warning: These citations may not always be 100% accurate.