APA (7th ed.) Citation

Marcos, F. E. (1968). On the opening of the Imelda gardens. [publisher not identified].

Chicago Style (17th ed.) Citation

Marcos, Ferdinand E. On the Opening of the Imelda Gardens. [place of publication not identified]: [publisher not identified], 1968.

MLA (9th ed.) Citation

Marcos, Ferdinand E. On the Opening of the Imelda Gardens. [publisher not identified], 1968.