APA (7th ed.) Citation

Carnegie Institution of Washington. (1947). Ionospheric research at Huancayo Observatory, Peru, January, 1938-June, 1946. Carnegie Institution of Washington Publication.

Chicago Style (17th ed.) Citation

Carnegie Institution of Washington. Ionospheric Research at Huancayo Observatory, Peru, January, 1938-June, 1946. Washington, D.C: Carnegie Institution of Washington Publication, 1947.

MLA (9th ed.) Citation

Carnegie Institution of Washington. Ionospheric Research at Huancayo Observatory, Peru, January, 1938-June, 1946. Carnegie Institution of Washington Publication, 1947.