APA (7th ed.) Citation

Karam Singh, Tanna, S., & Woolf, E. Quantitative methods. Butterworth CIMA Student Series.

Chicago Style (17th ed.) Citation

Karam Singh, Suresh Tanna, and Emile Woolf. Quantitative Methods. London: Butterworth CIMA Student Series.

MLA (9th ed.) Citation

Karam Singh, et al. Quantitative Methods. Butterworth CIMA Student Series.