Cita APA (7a ed.)

Halpin, S., Corrigan, D. W., & Schleter, J. C. (1972). Technology enhancement programs in five foreign countries. NTIS.

Cita Chicago Style (17a ed.)

Halpin, Suellen, Donald W. Corrigan, y John C. Schleter. Technology Enhancement Programs in Five Foreign Countries. Springfield: NTIS, 1972.

Cita MLA (8a ed.)

Halpin, Suellen, et al. Technology Enhancement Programs in Five Foreign Countries. NTIS, 1972.