APA (7th ed.) Citation

Carnegie Institution of Washington. Department of Terrestrial Magnetism, Huancayo, Peru (City). Instituto Geofisico, Wells, H. W., & Berkner, L. V. (1947). Ionospheric research at Huancayo Observatory, Peru, January, 1938-June, 1946. [publisher not identified].

Chicago Style (17th ed.) Citation

Carnegie Institution of Washington. Department of Terrestrial Magnetism, Peru (City). Instituto Geofisico Huancayo, Harry Warren Wells, and Lloyd V. Berkner. Ionospheric Research at Huancayo Observatory, Peru, January, 1938-June, 1946. Washington: [publisher not identified], 1947.

MLA (9th ed.) Citation

Carnegie Institution of Washington. Department of Terrestrial Magnetism, et al. Ionospheric Research at Huancayo Observatory, Peru, January, 1938-June, 1946. [publisher not identified], 1947.