APA (7th ed.) Citation

Institute of Southeast Asian Studies & Marr, D. G. (1986). Southeast Asia in the 9th [ninth] to 14th centuries. Institute of Southeast Asian Studies.

Chicago Style (17th ed.) Citation

Institute of Southeast Asian Studies and David G. Marr. Southeast Asia in the 9th [ninth] to 14th Centuries. Singapore [u.a.]: Institute of Southeast Asian Studies, 1986.

MLA (9th ed.) Citation

Institute of Southeast Asian Studies and David G. Marr. Southeast Asia in the 9th [ninth] to 14th Centuries. Institute of Southeast Asian Studies, 1986.