Cita APA (7a ed.)

OBEIRNE, T. (1965). Puzzles and Pradoxes. Oxford Univ. press.

Cita Chicago Style (17a ed.)

OBEIRNE, T.H. Puzzles and Pradoxes. London: Oxford Univ. press, 1965.

Cita MLA (9a ed.)

OBEIRNE, T.H. Puzzles and Pradoxes. Oxford Univ. press, 1965.