Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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