APA (7th ed.) Citation

Aller, L. H., & Walker, M. F. (1970). The spectra of thirty-three gaseous nebulae in the yellow-green region obtained with an electronic camera. University of California.

Chicago Style (17th ed.) Citation

Aller, Lawrence Hugh, and Merle F. Walker. The Spectra of Thirty-three Gaseous Nebulae in the Yellow-green Region Obtained with an Electronic Camera. Los Angeles: University of California, 1970.

MLA (9th ed.) Citation

Aller, Lawrence Hugh, and Merle F. Walker. The Spectra of Thirty-three Gaseous Nebulae in the Yellow-green Region Obtained with an Electronic Camera. University of California, 1970.