Cita APA

Jack Ng, Y., & Ng, Y. J. (1996). Julian Schwinger: The physicist, the teacher, and the man. Singapore: London.

Chicago Style Citation

Jack Ng, Y., i Yee Jack Ng. Julian Schwinger: The Physicist, the Teacher, and the Man. Singapore: London, 1996.

Cita MLA

Jack Ng, Y., i Yee Jack Ng. Julian Schwinger: The Physicist, the Teacher, and the Man. Singapore: London, 1996.