Cita APA (7a ed.)

Maxwell, C. (1977). The Pergamon Oxford Dictionary of perfect spelling. Wheaton.

Cita Chicago Style (17a ed.)

Maxwell, Christine. The Pergamon Oxford Dictionary of Perfect Spelling. Hennork Road - INGL: Wheaton, 1977.

Cita MLA (8a ed.)

Maxwell, Christine. The Pergamon Oxford Dictionary of Perfect Spelling. Wheaton, 1977.