Παραπομπή σε μορφή APA (7η εκδ.)

Ponsonby, A. P. (1936). Life here and now: Conclusions derived from an examination of the sense of duration. G. Allen & Unwin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ponsonby, Arthur Ponsonby. Life Here and Now: Conclusions Derived from an Examination of the Sense of Duration. London: G. Allen & Unwin, 1936.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ponsonby, Arthur Ponsonby. Life Here and Now: Conclusions Derived from an Examination of the Sense of Duration. G. Allen & Unwin, 1936.