APA (7th ed.) Citation

Vidler, A. (2005). X marks the spot: The obelisk in space.

Chicago Style (17th ed.) Citation

Vidler, Anthony. X Marks the Spot: The Obelisk in Space. 2005.

MLA (9th ed.) Citation

Vidler, Anthony. X Marks the Spot: The Obelisk in Space. 2005.

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