In APA format

Last, F. M. (Year, Month Date Published). Article title. ACLA Report on the State of the Discipline 2014-2015, ed. Ursula Heise et al. Retrieved Month Date, Year.

In Chicago format

Lastname, Firstname. "Article Title." ACLA Report on the State of the Discipline 2014-2015, ed. Ursula Heise et al. <URL> (accessed Month Day, Year).

In MLA format

Lastname, Firstname. "Article Title." ACLA Report on the State of the Discipline 2014-2015, ed. Ursula Heise et al. Day Month Year article was published. Web. Day Month Year article was accessed.

NB: MLA and APA style allow the URL to be left out if the site is easily identifiable.