Cita APA (7a ed.)

Alldredge, L., & Saldukas, I. (1966). The automatic standard magnetic observatory. United States Government Printing Office.

Cita Chicago Style (17a ed.)

Alldredge, L.R, y I. Saldukas. The Automatic Standard Magnetic Observatory. Washington: United States Government Printing Office, 1966.

Cita MLA (9a ed.)

Alldredge, L.R, y I. Saldukas. The Automatic Standard Magnetic Observatory. United States Government Printing Office, 1966.