APA (7th ed.) Citation

Woollard, G. P., Manghnani, M. H., & Mathur, S. P. (1969). Gravity measurements in India. [publisher not identified].

Chicago Style (17th ed.) Citation

Woollard, George P., M. H. Manghnani, and S. P. Mathur. Gravity Measurements in India. [Honolulu]: [publisher not identified], 1969.

MLA (9th ed.) Citation

Woollard, George P., et al. Gravity Measurements in India. [publisher not identified], 1969.