APA (7th ed.) Citation

Gorman, G. E., & Mills, J. J. (1992). Guide to current indexing and abstracting services in the Third World. Hans Zell.

Chicago Style (17th ed.) Citation

Gorman, G. E., and J. J. Mills. Guide to Current Indexing and Abstracting Services in the Third World. London [etc.]: Hans Zell, 1992.

MLA (9th ed.) Citation

Gorman, G. E., and J. J. Mills. Guide to Current Indexing and Abstracting Services in the Third World. Hans Zell, 1992.