Citazione Stile APA (7a Edizione)

Coon, C., & Powers, A. (1981). A Directory of Special Collections and In-House Indexes in Northern California Libraries.

Citazione stile Chigago Style (17a edizione)

Coon, Carol, e Audrey Powers. A Directory of Special Collections and In-House Indexes in Northern California Libraries. 1981.

Citatione MLA (9a ed.)

Coon, Carol, e Audrey Powers. A Directory of Special Collections and In-House Indexes in Northern California Libraries. 1981.