Gaya APA

Assagioli, R. (1987). Psychosynthesis, a manual of principles and techniques, repr.ed. Cet.pertama 1965. . New York: Penguin Books.

Gaya MLA

Assagioli, Roberto,M.D.. "Psychosynthesis, a manual of principles and techniques, repr.ed. Cet.pertama 1965. ". New York: Penguin Books, 1987. Buku.