Citazione Stile APA (7a Edizione)

Lewis, H. D. The H.B. Action memorial lecture: solitude in philosophy and literature: Hywel D. Lewis. Philosophy and literature.(1984).

Citazione stile Chigago Style (17a edizione)

Lewis, Hywel D. "The H.B. Action Memorial Lecture: Solitude in Philosophy and Literature: Hywel D. Lewis." Philosophy and Literature.(1984) .

Citatione MLA (8a ed.)

Lewis, Hywel D. "The H.B. Action Memorial Lecture: Solitude in Philosophy and Literature: Hywel D. Lewis." Philosophy and Literature.(1984), .