APA (7th ed.) Citation

Sui, G. L. (1998). Who wants to buy a book of poems? Landmark Books.

Chicago Style (17th ed.) Citation

Sui, Gwee Li. Who Wants to Buy a Book of Poems? Singapore: Landmark Books, 1998.

MLA (9th ed.) Citation

Sui, Gwee Li. Who Wants to Buy a Book of Poems? Landmark Books, 1998.

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