Scientific Digest. Hearst Corporation.
Cita Chicago Style (17a ed.)Scientific Digest. US: Hearst Corporation.
Cita MLA (9a ed.)Scientific Digest. Hearst Corporation.
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Scientific Digest. Hearst Corporation.
Cita Chicago Style (17a ed.)Scientific Digest. US: Hearst Corporation.
Cita MLA (9a ed.)Scientific Digest. Hearst Corporation.