Citazione APA

Hudson,Travis. (2011). Living with earth: An introduction to environmental geology. Pearson education.

Stile di citazione Chicago

Hudson,Travis. Living with Earth: An Introduction to Environmental Geology. Boston: Pearson education, 2011.

Citazione MLA

Hudson,Travis. Living with Earth: An Introduction to Environmental Geology. Pearson education, 2011.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.