APA ציטוט

Stewart Irwin & Canal Mech Ecmu. Oil shale on colorados western slope.

Chicago Style (17th ed.) Citation

Stewart Irwin and Canal Mech Ecmu. Oil Shale on Colorados Western Slope.

ציטוט MLA

Stewart Irwin and Canal Mech Ecmu. Oil Shale on Colorados Western Slope.