APA Edition Citation

Robert W Young, Robert A L Wray, & Ann R M Young. (2009). Sandstone landforms. Cambridge University Press.

Chicago Edition Citation

Robert W Young, Robert A L Wray, and Ann R M Young. Sandstone Landforms. United Kingdom: Cambridge University Press, 2009.

MLA Edition Citation

Robert W Young, et al. Sandstone Landforms. Cambridge University Press, 2009.