MLA

Hobbs, Bruce E, Alison Ord, and Alison Ord. Structural Geology Volume I, Principles : the Mechanics of Deforming Metamorphic Rocks. Elsevier, 2015.

APA

Hobbs, B. E, Ord, A., & Alison Ord, A. Ord. (2015). Structural geology Volume I, Principles : the mechanics of deforming metamorphic rocks. Elsevier.

Chicago

Hobbs, Bruce E., Alison Ord, and Alison Ord. Structural Geology Volume I, Principles : the Mechanics of Deforming Metamorphic Rocks. : Elsevier, 2015.