APA (7th ed.) Citation

Cunningham, W. F. (1991). IGO Depository Collections in U.S. Libraries: A Directory and Analysis.

Chicago Style (17th ed.) Citation

Cunningham, Willis F. IGO Depository Collections in U.S. Libraries: A Directory and Analysis. 1991.

MLA (9th ed.) Citation

Cunningham, Willis F. IGO Depository Collections in U.S. Libraries: A Directory and Analysis. 1991.

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