Cita APA (7th ed.)

Penafiel, S. R., & Doctolero, G. B. Comparison of three different methods for firebreak construction.

Cita Chicago (17th ed.)

Penafiel, Samuel R., i Geronimo B. Doctolero. Comparison of Three Different Methods for Firebreak Construction.

Cita MLA (9th ed.)

Penafiel, Samuel R., i Geronimo B. Doctolero. Comparison of Three Different Methods for Firebreak Construction.

Atenció: Aquestes cites poden no estar 100% correctes.