APA (7th ed.) Citation

(1990). Bookworm short stories 6. Bookworm.

Chicago Style (17th ed.) Citation

Bookworm Short Stories 6. Singapore: Bookworm, 1990.

MLA (9th ed.) Citation

Bookworm Short Stories 6. Bookworm, 1990.

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