APA (7th ed.) Citation

Duck, I. M., & Sudarshan, E. C. G. (2000). 100 years of Planck's quantum. World Scientific.

Chicago Style (17th ed.) Citation

Duck, Ian Morley, and E. C. G. Sudarshan. 100 Years of Planck's Quantum. Singapore [u.a.]: World Scientific, 2000.

MLA (9th ed.) Citation

Duck, Ian Morley, and E. C. G. Sudarshan. 100 Years of Planck's Quantum. World Scientific, 2000.