APA (7th ed.) Citation

Assagioli, R. (1975). Psychosynthesis: A manual of principles and techniques ([New ed.].). Turnstone Books.

Chicago Style (17th ed.) Citation

Assagioli, Roberto. Psychosynthesis: A Manual of Principles and Techniques. [New ed.]. Wellingborough, Northamptonshire: Turnstone Books, 1975.

MLA (8th ed.) Citation

Assagioli, Roberto. Psychosynthesis: A Manual of Principles and Techniques. [New ed.]. Turnstone Books, 1975.