Cita APA (7th ed.)

Gafafer, W. M., & Doull, J. A. (1933). Stability of resistance to the common cold. Lancaster Press.

Cita Chicago (17th ed.)

Gafafer, W. M., i J. A. Doull. Stability of Resistance to the Common Cold. Lancaster, Pa.: Lancaster Press, 1933.

Cita MLA (8th ed.)

Gafafer, W. M., i J. A. Doull. Stability of Resistance to the Common Cold. Lancaster Press, 1933.