Gaya APA

O'Neill, H, V. (1944). Spiritualism: As spiritualists have written of it. Preface by Richard Downey. Present Problems series . London: London Burns Oates & Washbourne.

Gaya MLA

O'Neill, Herbert, V.. "Spiritualism: As spiritualists have written of it. Preface by Richard Downey. Present Problems series". London: London Burns Oates & Washbourne, 1944. Buku.