APA (7th ed.) Citation

ZORRILLA F., H. (1990). Aprenda screen. HZF.

Chicago Style (17th ed.) Citation

ZORRILLA F., Humberto. Aprenda Screen. Bogotá: HZF, 1990.

MLA (9th ed.) Citation

ZORRILLA F., Humberto. Aprenda Screen. HZF, 1990.

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