Cita APA (7a ed.)

Lappert, M. F. (1972). Main group elements: Hydrogen and groups I-IV. Butterworths ; University Park Press.

Cita Chicago Style (17a ed.)

Lappert, M. F. Main Group Elements: Hydrogen and Groups I-IV. London : Baltimore: Butterworths ; University Park Press, 1972.

Cita MLA (9a ed.)

Lappert, M. F. Main Group Elements: Hydrogen and Groups I-IV. Butterworths ; University Park Press, 1972.