Cita APA (7th ed.)

Comyn, T. d., & Walton, W. (1821). State of the Philippine Islands: Being an historical statistical and descriptive account of that interesting portion of the Indian Archipelago. T.J. Allman.

Cita Chicago (17th ed.)

Comyn, Tomas de, i William Walton. State of the Philippine Islands: Being an Historical Statistical and Descriptive Account of That Interesting Portion of the Indian Archipelago. London: T.J. Allman, 1821.

Cita MLA (9th ed.)

Comyn, Tomas de, i William Walton. State of the Philippine Islands: Being an Historical Statistical and Descriptive Account of That Interesting Portion of the Indian Archipelago. T.J. Allman, 1821.