एपीए उद्धरण

Wicander, R., & James S. Monroe; Reed Wicander. Historical Geology: Evolution of Earth and Life Through Time. Belmont, CA: Thomson-Brooks/Cole.

शिकागो स्टाइल उद्धरण

Wicander, Reed, और James S. Monroe; Reed Wicander. Historical Geology: Evolution of Earth and Life Through Time. Belmont, CA: Thomson-Brooks/Cole.

एमएलए उद्धरण

Wicander, Reed, और James S. Monroe; Reed Wicander. Historical Geology: Evolution of Earth and Life Through Time. Belmont, CA: Thomson-Brooks/Cole.