APA (7th ed.) Citation

PG, S., & WN, B. (1978). The chi square periodogram: Its utility for analysis of circadian rhythms. Journal of theoretical biology, 72(1), 131. https://doi.org/10.1016/0022-5193(78)90022-x

Chicago Style (17th ed.) Citation

PG, Sokolove, and Bushell WN. "The Chi Square Periodogram: Its Utility for Analysis of Circadian Rhythms." Journal of Theoretical Biology 72, no. 1 (1978): 131. https://doi.org/10.1016/0022-5193(78)90022-x.

MLA (9th ed.) Citation

PG, Sokolove, and Bushell WN. "The Chi Square Periodogram: Its Utility for Analysis of Circadian Rhythms." Journal of Theoretical Biology, vol. 72, no. 1, 1978, p. 131, https://doi.org/10.1016/0022-5193(78)90022-x.

Warning: These citations may not always be 100% accurate.