APA (7th ed.) Citation

Wijesuriya, U. P. (1991). Ambergris. [S.n.

Chicago Style (17th ed.) Citation

Wijesuriya, Usula P. Ambergris. S.l]: [S.n, 1991.

MLA (9th ed.) Citation

Wijesuriya, Usula P. Ambergris. [S.n, 1991.

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