Spiegel, D. (1990). Can psychotherapy prolong cancer survival? [s.n.].
Chicago Style (17th ed.) CitationSpiegel, David. Can Psychotherapy Prolong Cancer Survival? [S.l.]: [s.n.], 1990.
MLA (9th ed.) CitationSpiegel, David. Can Psychotherapy Prolong Cancer Survival? [s.n.], 1990.
Warning: These citations may not always be 100% accurate.