APA (7th ed.) Citation

Carbonell, R. A. (1963). Echoes of the heart: Poems. Horizons Publishing House.

Chicago Style (17th ed.) Citation

Carbonell, Rolando A. Echoes of the Heart: Poems. Manila: Horizons Publishing House, 1963.

MLA (9th ed.) Citation

Carbonell, Rolando A. Echoes of the Heart: Poems. Horizons Publishing House, 1963.

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