Citazione Stile APA (7a Edizione)
ebrary, Inc, Hentschell, R., Lavezzo, K., & Helgerson, R. (2012). Essays in memory of Richard Helgerson: Laureations. University Of Delaware Press.
Citazione stile Chigago Style (17a edizione)
ebrary, Inc, Roze Hentschell, Kathy Lavezzo, e Richard Helgerson. Essays in Memory of Richard Helgerson: Laureations. Newark: University Of Delaware Press, 2012.
Citatione MLA (9a ed.)
ebrary, Inc, et al. Essays in Memory of Richard Helgerson: Laureations. University Of Delaware Press, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.