Cita APA

McKelvie, P., & Shabeen, O. H. (1967). Prototype cryosurgical probe.

Chicago Style Citation

McKelvie, P., i O H. Shabeen. Prototype Cryosurgical Probe. 1967.

Cita MLA

McKelvie, P., i O H. Shabeen. Prototype Cryosurgical Probe. 1967.