APA (7th ed.) Citation

MacAlpine, G. M. (2001). Element abundances and distributions in the crab nebula. Universidad Nacional Autónoma de México.

Chicago Style (17th ed.) Citation

MacAlpine, G. M. Element Abundances and Distributions in the Crab Nebula. Universidad Nacional Autónoma de México, 2001.

MLA (9th ed.) Citation

MacAlpine, G. M. Element Abundances and Distributions in the Crab Nebula. Universidad Nacional Autónoma de México, 2001.

Warning: These citations may not always be 100% accurate.