APA استشهاد

Copper, S. J., Joyce, D., & Summerfield, A. (1969). Self-stimulation of the brain after administration of an amphetamine-barbiturate mixture.

استشهاد بنمط شيكاغو

Copper, S J., D. Joyce, و A. Summerfield. Self-stimulation of the Brain After Administration of an Amphetamine-barbiturate Mixture. 1969.

MLA استشهاد

Copper, S J., D. Joyce, و A. Summerfield. Self-stimulation of the Brain After Administration of an Amphetamine-barbiturate Mixture. 1969.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.