APA (7th ed.) Citation

Stanford, P. (2003). Heaven: A traveller's guide to the undiscovered country. HarperCollins.

Chicago Style (17th ed.) Citation

Stanford, Peter. Heaven: A Traveller's Guide to the Undiscovered Country. London: HarperCollins, 2003.

MLA (8th ed.) Citation

Stanford, Peter. Heaven: A Traveller's Guide to the Undiscovered Country. HarperCollins, 2003.

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