APA (7th ed.) Citation

of Function Spaces, J. (2020). Retracted: Some Results for Periodic Solutions of a Kind of Liénard Equation. Journal of function spaces, 2020(2020), 1. https://doi.org/10.1155/2020/7892781

Chicago Style (17th ed.) Citation

of Function Spaces, Journal. "Retracted: Some Results for Periodic Solutions of a Kind of Liénard Equation." Journal of Function Spaces 2020, no. 2020 (2020): 1. https://doi.org/10.1155/2020/7892781.

MLA (9th ed.) Citation

of Function Spaces, Journal. "Retracted: Some Results for Periodic Solutions of a Kind of Liénard Equation." Journal of Function Spaces, vol. 2020, no. 2020, 2020, p. 1, https://doi.org/10.1155/2020/7892781.