APA (7th ed.) Citation

(1992). 1987 economic censuses. CD-ROM volume 2, Zip code statistics. Release 2B.

Chicago Style (17th ed.) Citation

1987 Economic Censuses. CD-ROM Volume 2, Zip Code Statistics. Release 2B. 1992.

MLA (9th ed.) Citation

1987 Economic Censuses. CD-ROM Volume 2, Zip Code Statistics. Release 2B. 1992.

Warning: These citations may not always be 100% accurate.