Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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