APA (7th ed.) Citation

Walker, M. F. (1974). Electronographic photometry of star clusters in the Magellanic clouds. [Selbstverl.].

Chicago Style (17th ed.) Citation

Walker, Merle F. Electronographic Photometry of Star Clusters in the Magellanic Clouds. Mount Hamilton, Calif: [Selbstverl.], 1974.

MLA (9th ed.) Citation

Walker, Merle F. Electronographic Photometry of Star Clusters in the Magellanic Clouds. [Selbstverl.], 1974.

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