Wadsworth, P. M. Overmind / Phyllis Marie Wadsworth.
Cita Chicago (17th ed.)Wadsworth, Phyllis Marie. Overmind / Phyllis Marie Wadsworth. London : Sidgwick & Jackson, c1967.
Cita MLA (8th ed.)Wadsworth, Phyllis Marie. Overmind / Phyllis Marie Wadsworth.
Atenció: Aquestes cites poden no estar 100% correctes.