APA (7th ed.) Citation

L'Engle, M. (1988). The possible human. Cross currents, 38(4), 385.

Chicago Style (17th ed.) Citation

L'Engle, Madeleine. "The Possible Human." Cross Currents 38, no. 4 (1988): 385.

MLA (8th ed.) Citation

L'Engle, Madeleine. "The Possible Human." Cross Currents, vol. 38, no. 4, 1988, p. 385.