APA (7th ed.) Citation

Appenzeller, I., & Hiltner, W. A. (1967). Polarimetric observations of 14 Quasi-stellar objects. The astrophysical journal. Part 2, Letters, 149, .

Chicago Style (17th ed.) Citation

Appenzeller, Immo, and W. A. Hiltner. "Polarimetric Observations of 14 Quasi-stellar Objects." The Astrophysical Journal. Part 2, Letters 149 (1967).

MLA (9th ed.) Citation

Appenzeller, Immo, and W. A. Hiltner. "Polarimetric Observations of 14 Quasi-stellar Objects." The Astrophysical Journal. Part 2, Letters, vol. 149, 1967.