APA (7th ed.) Citation

Abdullah, A., & Ahmad, F. (1989). Level crossing lights for model railroads / Azizah Abdullah and Fadzillah Ahmad.

Chicago Style (17th ed.) Citation

Abdullah, Azizah, and Fadzillah Ahmad. Level Crossing Lights for Model Railroads / Azizah Abdullah and Fadzillah Ahmad. 1989.

MLA (9th ed.) Citation

Abdullah, Azizah, and Fadzillah Ahmad. Level Crossing Lights for Model Railroads / Azizah Abdullah and Fadzillah Ahmad. 1989.

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