APA (7th ed.) Citation

Gorp, L. V. Pioneers of earth science. Teacher Created Materials Publishing.

Chicago Style (17th ed.) Citation

Gorp, Lynn Van. Pioneers of Earth Science. United States: Teacher Created Materials Publishing.

MLA (9th ed.) Citation

Gorp, Lynn Van. Pioneers of Earth Science. Teacher Created Materials Publishing.

Warning: These citations may not always be 100% accurate.