Cita APA (7a ed.)

Cheng, Z., & Song, J. (2025). Region crossing change on nonorientable surfaces.

Cita Chicago Style (17a ed.)

Cheng, Zhiyun, y Jingze Song. Region Crossing Change on Nonorientable Surfaces. 2025.

Cita MLA (9a ed.)

Cheng, Zhiyun, y Jingze Song. Region Crossing Change on Nonorientable Surfaces. 2025.