MLA

Freud, Sigmund, Michael M Saling, and Mark Solms. A Moment of Transition : Two Neuroscientific Articles. London: Karnac Books, 1990.

APA

Freud, S., Saling, M. M, & Solms, M. (1990). A moment of transition : two neuroscientific articles. London: Karnac Books.

Chicago

Freud, Sigmund, A Moment of Transition: Two Neuroscientific Articles. Edited by Michael M Saling and Mark Solms. London: Karnac Books, 1990.