APA (7th ed.) Citation

Penny, D. H. (1973). Hints for research workers in the social sciences. Department of Agricultural Economics, Cornell University.

Chicago Style (17th ed.) Citation

Penny, David Harry. Hints for Research Workers in the Social Sciences. Ithaca, N. Y: Department of Agricultural Economics, Cornell University, 1973.

MLA (9th ed.) Citation

Penny, David Harry. Hints for Research Workers in the Social Sciences. Department of Agricultural Economics, Cornell University, 1973.