Cita APA

Keene, C. (1959). The Hidden Staircase. Grosset & DunlapPublisher.

Chicago Style (17th ed.) Citation

Keene, Carolyn. The Hidden Staircase. Grosset & DunlapPublisher, 1959.

Cita MLA

Keene, Carolyn. The Hidden Staircase. Grosset & DunlapPublisher, 1959.

Atenció: Aquestes cites poden no estar 100% correctes.