APA (7th ed.) Citation

Harrap, G. J., & Watkins, W. M. (1970). Enzymes of Trichomonas foetus. Separation and properties of two beta-galactosidases. Biochemical journal, 117(4), 667. https://doi.org/10.1042/bj1170667

Chicago Style (17th ed.) Citation

Harrap, G J., and W M. Watkins. "Enzymes of Trichomonas Foetus. Separation and Properties of Two Beta-galactosidases." Biochemical Journal 117, no. 4 (1970): 667. https://doi.org/10.1042/bj1170667.

MLA (9th ed.) Citation

Harrap, G J., and W M. Watkins. "Enzymes of Trichomonas Foetus. Separation and Properties of Two Beta-galactosidases." Biochemical Journal, vol. 117, no. 4, 1970, p. 667, https://doi.org/10.1042/bj1170667.