APA (7th ed.) Citation

Kelly, E. F. (1981). Altered states of conscious ness and PSI.

Chicago Style (17th ed.) Citation

Kelly, Edward F. Altered States of Conscious Ness and PSI. 1981.

MLA (9th ed.) Citation

Kelly, Edward F. Altered States of Conscious Ness and PSI. 1981.

Warning: These citations may not always be 100% accurate.