APA (7th ed.) Citation

Pratchet, T. (1990). The Bromeliad trilogy. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Pratchet, Terry. The Bromeliad Trilogy. London: HarperCollins Publishers, 1990.

MLA (9th ed.) Citation

Pratchet, Terry. The Bromeliad Trilogy. HarperCollins Publishers, 1990.

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