APA (7th ed.) Citation

Vila-Vilaró, B., Robinson, A., & Wagner, S. (1993). The ENLR of NGC 4151: Spatial variations of the line ratios. Astrophysics and space science, 205(1), .

Chicago Style (17th ed.) Citation

Vila-Vilaró, Baltasar, Andrew Robinson, and Stefan Wagner. "The ENLR of NGC 4151: Spatial Variations of the Line Ratios." Astrophysics and Space Science 205, no. 1 (1993).

MLA (9th ed.) Citation

Vila-Vilaró, Baltasar, et al. "The ENLR of NGC 4151: Spatial Variations of the Line Ratios." Astrophysics and Space Science, vol. 205, no. 1, 1993.