APA (7th ed.) Citation
Syadullah, M., Tenrini, R. H., Ragimun, & Setiawan, S. <The> Human Development Index in ASEAN Countries.
Chicago Style (17th ed.) Citation
Syadullah, Makmun, Rita Helbra Tenrini, Ragimun, and Sigit Setiawan. <The> Human Development Index in ASEAN Countries.
MLA (9th ed.) Citation
Syadullah, Makmun, et al. <The> Human Development Index in ASEAN Countries.
Warning: These citations may not always be 100% accurate.