APA استشهاد

Gupta, H. K., & Gupta, G. D. (2003). Memoir 54: :Earthquake studies in Peninsular India since 1993. Geological Society of India.

استشهاد بنمط شيكاغو

Gupta, H. K., و G. D. Gupta. Memoir 54: :Earthquake Studies in Peninsular India Since 1993. Bangalore: Geological Society of India, 2003.

MLA استشهاد

Gupta, H. K., و G. D. Gupta. Memoir 54: :Earthquake Studies in Peninsular India Since 1993. Geological Society of India, 2003.