APA引文

Lehmann, A., Aubin, J., & Sildre, J. (2026). The big book of pi: The famous number you can never know (First edition.). HELVETIQ.

Chicago Style (17th ed.) Citation

Lehmann, Anita, Jean-Baptiste Aubin, and Joonas Sildre. The Big Book of Pi: The Famous Number You Can Never Know. First edition. Basel, Switzerland: HELVETIQ, 2026.

MLA引文

Lehmann, Anita, et al. The Big Book of Pi: The Famous Number You Can Never Know. First edition. HELVETIQ, 2026.

警告：這些引文格式不一定是100％准確.