APA način citiranja (7. izdanje)

Crowley, W. R. (1997). Chemicals on the Internet: A directory of industry sites. Gulf Pub. Co.

Čikaški stil citiranja (17. izdanje)

Crowley, William R. Chemicals on the Internet: A Directory of Industry Sites. Houston, Tex: Gulf Pub. Co, 1997.

MLA način citiranja (9. izdanje)

Crowley, William R. Chemicals on the Internet: A Directory of Industry Sites. Gulf Pub. Co, 1997.