APA (7th ed.) Citation

Wielen, R., & Lederle, T. (1990). Obituary: Walter Ernst Fricke (1915 - 1988). The quarterly journal of the Royal Astronomical Society, 31(3), .

Chicago Style (17th ed.) Citation

Wielen, Roland, and Trudpert Lederle. "Obituary: Walter Ernst Fricke (1915 - 1988)." The Quarterly Journal of the Royal Astronomical Society 31, no. 3 (1990).

MLA (9th ed.) Citation

Wielen, Roland, and Trudpert Lederle. "Obituary: Walter Ernst Fricke (1915 - 1988)." The Quarterly Journal of the Royal Astronomical Society, vol. 31, no. 3, 1990.