Harvard: Seidenfaden, E. 1967, "The Thai peoples,", Bangkok, The Siam Society,.APA: Seidenfaden, E. (1967). The Thai peoples,. . Bangkok, The Siam Society,.Chicago: Seidenfaden, Erik. 1967. "The Thai Peoples,." . Bangkok, The Siam Society,.MLA: Seidenfaden, Erik. "The Thai Peoples,." (1967): .Citation within the text: (Seidenfaden 1967)Zotero: Save reference in ZoteroBibTeX: