Cita APA (7th ed.)

ROYSTON ANGELA. (2019). MY WORLD OF SCIENCE NATURAL AND MAN MADE (2018 Ed.). HEINEMANN LIBRARY.

Cita Chicago (17th ed.)

ROYSTON ANGELA. MY WORLD OF SCIENCE NATURAL AND MAN MADE. 2018 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.

Cita MLA (9th ed.)

ROYSTON ANGELA. MY WORLD OF SCIENCE NATURAL AND MAN MADE. 2018 Ed. HEINEMANN LIBRARY, 2019.