Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.