APA (7th ed.) Citation

Casuga, A. B. (2009). A theory of echoes and other poems: (selected poems). UST Pub. House.

Chicago Style (17th ed.) Citation

Casuga, Albert B. A Theory of Echoes and Other Poems: (selected Poems). Manila: UST Pub. House, 2009.

MLA (9th ed.) Citation

Casuga, Albert B. A Theory of Echoes and Other Poems: (selected Poems). UST Pub. House, 2009.

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