Alexandrov, A., Koval, S., & Zhdanov, V. (2012). Gravitational lens equation: Critical solutions and magnification near folds and cusps. Advances in Astronomy and Space Physics.
Чикаго стиль цитування (17-те видання)Alexandrov, A.N, S.M Koval, та V.I Zhdanov. "Gravitational Lens Equation: Critical Solutions and Magnification Near Folds and Cusps." Advances in Astronomy and Space Physics 2012.
Стиль цитування MLA (8-ме видання)Alexandrov, A.N, et al. "Gravitational Lens Equation: Critical Solutions and Magnification Near Folds and Cusps." Advances in Astronomy and Space Physics, 2012.
Попередження: стилі цитування не завжди правильні на всі 100%.