APA (7th ed.) Citation

Barker, D. S. (1983). Igneous rocks. Prentice Hall.

Chicago Style (17th ed.) Citation

Barker, Daniel S. Igneous Rocks. Prentice Hall, 1983.

MLA (8th ed.) Citation

Barker, Daniel S. Igneous Rocks. Prentice Hall, 1983.

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