Cita APA

Gardiner, C. (1994). An introduction to geology. DPH.

Citación estilo Chicago

Gardiner, C.I. An Introduction to Geology. New Delhi: DPH, 1994.

Cita MLA

Gardiner, C.I. An Introduction to Geology. DPH, 1994.

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