APA (7th ed.) Citation

Roy, R. (2006). Earth-sheltered houses: How to build an affordable underground home. New Society Publ.

Chicago Style (17th ed.) Citation

Roy, Rob. Earth-sheltered Houses: How to Build an Affordable Underground Home. Gabriola Island, BC: New Society Publ, 2006.

MLA (9th ed.) Citation

Roy, Rob. Earth-sheltered Houses: How to Build an Affordable Underground Home. New Society Publ, 2006.