APA (7th ed.) Citation

(1973). Integrated science worksheets (4th ed.). Heinemann Educational Books (Asia).

Chicago Style (17th ed.) Citation

Integrated Science Worksheets. 4th ed. Kuala Lumpur: Heinemann Educational Books (Asia), 1973.

MLA (9th ed.) Citation

Integrated Science Worksheets. 4th ed. Heinemann Educational Books (Asia), 1973.

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