एपीए उद्धरण

Reichard, J. S. (2011). Environmental geology. Dubuque, IA: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Reichard, James S. Environmental Geology. Dubuque, IA: McGraw-Hill, 2011.

एमएलए उद्धरण

Reichard, James S. Environmental Geology. Dubuque, IA: McGraw-Hill, 2011.