APA (7th ed.) Citation

Landgraf, M. N. (1991). Library Cards for the Homeless.

Chicago Style (17th ed.) Citation

Landgraf, Mary N. Library Cards for the Homeless. 1991.

MLA (9th ed.) Citation

Landgraf, Mary N. Library Cards for the Homeless. 1991.

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