APA (7th ed.) Citation

Gan, L., & Heng Kim Song. (1996). Pack and stack. Federal Publications.

Chicago Style (17th ed.) Citation

Gan, Linda, and Heng Kim Song. Pack and Stack. Singapore: Federal Publications, 1996.

MLA (9th ed.) Citation

Gan, Linda, and Heng Kim Song. Pack and Stack. Federal Publications, 1996.