APA (7th ed.) Citation

Fröman, N., & Fröman, P. O. (1996). Phase-Integral Method: Allowing Nearlying Transition Points. Springer New York.

Chicago Style (17th ed.) Citation

Fröman, Nanny, and Per Olof Fröman. Phase-Integral Method: Allowing Nearlying Transition Points. New York, NY: Springer New York, 1996.

MLA (9th ed.) Citation

Fröman, Nanny, and Per Olof Fröman. Phase-Integral Method: Allowing Nearlying Transition Points. Springer New York, 1996.