APA (7th ed.) Citation

Koopmans, L. H. (1974). The spectral analysis of time series. Academic Press.

Chicago Style (17th ed.) Citation

Koopmans, Lambert Herman. The Spectral Analysis of Time Series. San Diego [etc.]: Academic Press, 1974.

MLA (9th ed.) Citation

Koopmans, Lambert Herman. The Spectral Analysis of Time Series. Academic Press, 1974.