APA
Gupta J. N. (. a. C., Gupta U. (. a. C. & Kumar R. (. a. C. (1974). Directory of foreign collaboration in India. Delhi: De Indiana Overseas.
Chicago
Gupta J N (Ed and Comp.), Gupta Usha (Ed and Comp.) and Kumar R (Ed and Comp.). 1974. Directory of foreign collaboration in India. Delhi: De Indiana Overseas.
Harvard
Gupta J. N. (. a. C., Gupta U. (. a. C. and Kumar R. (. a. C. (1974). Directory of foreign collaboration in India. Delhi: De Indiana Overseas.
MLA
Gupta J N (Ed and Comp.), Gupta Usha (Ed and Comp.) and Kumar R (Ed and Comp.). Directory of foreign collaboration in India. Delhi: De Indiana Overseas. 1974.