Glenn, J. H. 1. Letters to John Glenn. World Book Encyclopedia Science Service, 1964.
Chicago Style (17th ed.) CitationGlenn, John Herschel 1921. Letters to John Glenn. Houston, Tex: World Book Encyclopedia Science Service, 1964.
MLA (9th ed.) CitationGlenn, John Herschel 1921. Letters to John Glenn. World Book Encyclopedia Science Service, 1964.
Warning: These citations may not always be 100% accurate.