Cita APA (7th ed.)

Niu, J., Liu, Y., & Xue, H. (2023). Uncorrelated Amplitude and Frequency Variations of the Harmonics in SX Phoenicis Star XX Cygni. IOP Publishing.

Cita Chicago (17th ed.)

Niu, Jia-Shu, Yue Liu, i Hui-Fang Xue. Uncorrelated Amplitude and Frequency Variations of the Harmonics in SX Phoenicis Star XX Cygni. IOP Publishing, 2023.

Cita MLA (9th ed.)

Niu, Jia-Shu, et al. Uncorrelated Amplitude and Frequency Variations of the Harmonics in SX Phoenicis Star XX Cygni. IOP Publishing, 2023.