Cita APA (7th ed.)

STEELE, H. (1998). GEOLOGY AND CHANGE. TIME LIFE PUBLICATIONS.

Cita Chicago (17th ed.)

STEELE, HOPE. GEOLOGY AND CHANGE. ASIA: TIME LIFE PUBLICATIONS, 1998.

Cita MLA (9th ed.)

STEELE, HOPE. GEOLOGY AND CHANGE. TIME LIFE PUBLICATIONS, 1998.