APA (7th ed.) Citation

Chai, W., & Ngeow, W. C. (1999). Making your own retrograde carrier.

Chicago Style (17th ed.) Citation

Chai, W.L, and Wei Cheong Ngeow. Making Your Own Retrograde Carrier. 1999.

MLA (9th ed.) Citation

Chai, W.L, and Wei Cheong Ngeow. Making Your Own Retrograde Carrier. 1999.

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