Gaya APA

Purcell, A, D. (2016). Digital library programs for libraries and archives : developing, managing, and sustaining unique digital collections . Chicago: ALA Neal-Schuman.

Gaya MLA

Purcell, Aaron, D.. "Digital library programs for libraries and archives : developing, managing, and sustaining unique digital collections". Chicago: ALA Neal-Schuman, 2016. Text.