APA aipamena

Lansigan, N. (1980). Narra: The national tree of the Philippines. s. n.].

Chicago Style aipamena

Lansigan, N.P. Narra: The National Tree of the Philippines. [s.l: s. n.], 1980.

MLA aipamena

Lansigan, N.P. Narra: The National Tree of the Philippines. s. n.], 1980.