APA (7th ed.) Citation

 Hua, N. A Criterion for the Existence of the Unique Periodic Solution of One-Dimensional Periodic Differential Equation. Wiley.

Chicago Style (17th ed.) Citation

 Hua, Ni. A Criterion for the Existence of the Unique Periodic Solution of One-Dimensional Periodic Differential Equation. Wiley.

MLA (9th ed.) Citation

 Hua, Ni. A Criterion for the Existence of the Unique Periodic Solution of One-Dimensional Periodic Differential Equation. Wiley.

Warning: These citations may not always be 100% accurate.