APA (7th ed.) Citation

Walker, M. F., & Kron, G. E. (1968). The observation of monochromatic intensity distributions in planetary nebulae by means of electronography. [Selbstverl.].

Chicago Style (17th ed.) Citation

Walker, Merle F., and Gerald E. Kron. The Observation of Monochromatic Intensity Distributions in Planetary Nebulae by Means of Electronography. Mount Hamilton, Calif: [Selbstverl.], 1968.

MLA (9th ed.) Citation

Walker, Merle F., and Gerald E. Kron. The Observation of Monochromatic Intensity Distributions in Planetary Nebulae by Means of Electronography. [Selbstverl.], 1968.