Cita APA

Sharp, A. A., & Ballard, B. C. (1970). An evaluation of the Coulter S counter.

Citación estilo Chicago

Sharp, A A., y B C. Ballard. An Evaluation of the Coulter S Counter. 1970.

Cita MLA

Sharp, A A., y B C. Ballard. An Evaluation of the Coulter S Counter. 1970.