APA (7th ed.) Citation

Sasges, G., Ng, S. W., & Teo, Y. Y. (2019). Hard at work: Life in Singapore. Ridge Books.

Chicago Style (17th ed.) Citation

Sasges, Gerard, Shi Wen Ng, and You Yenn Teo. Hard at Work: Life in Singapore. Singapore: Ridge Books, 2019.

MLA (9th ed.) Citation

Sasges, Gerard, et al. Hard at Work: Life in Singapore. Ridge Books, 2019.