Perrine, C. D. Proceedings of the second Pan American Scientific congress: Some indications of spiral motion in our stellar system.
Chicago Style (17th ed.) CitationPerrine, C. D. Proceedings of the Second Pan American Scientific Congress: Some Indications of Spiral Motion in Our Stellar System.
MLA (9th ed.) CitationPerrine, C. D. Proceedings of the Second Pan American Scientific Congress: Some Indications of Spiral Motion in Our Stellar System.
Warning: These citations may not always be 100% accurate.