Citazione Stile APA (7a Edizione)

Tyrrell, G. W. (1978). The Principles of Petrology: An Introduction to the Science of Rocks. Chapman and Hall.

Citazione stile Chigago Style (17a edizione)

Tyrrell, G. W. The Principles of Petrology: An Introduction to the Science of Rocks. London: Chapman and Hall, 1978.

Citatione MLA (9a ed.)

Tyrrell, G. W. The Principles of Petrology: An Introduction to the Science of Rocks. Chapman and Hall, 1978.