APA Citatie

Culcutta: Indian Society of Earth Sciences. (1991). Indian Journal of Earth Sciences, vol.18(1-4).

Chicago Style citaat

Culcutta: Indian Society of Earth Sciences. Indian Journal of Earth Sciences, Vol.18(1-4). Culcutta: Indian Society of Earth Sciences, 1991.

MLA citatie

Culcutta: Indian Society of Earth Sciences. Indian Journal of Earth Sciences, Vol.18(1-4). 1991.