Developing; the negative technique, eighteenth edition

MLA

Jacobson, C.I, and R.E Jacobson. Developing; the Negative Technique, Eighteenth Edition. London: Focal press, 1972.

APA

Jacobson, C., & Jacobson, R. (1972). Developing; the negative technique, eighteenth edition. London: Focal press.

Chicago

Jacobson, C.I., and R.E Jacobson. Developing; the Negative Technique, Eighteenth Edition. London: Focal press, 1972.