Cita APA

Schwab, H. (1992). The Echoes that remain. Cardinal Spellman Philatic Museum.

Citación estilo Chicago

Schwab, Henry. The Echoes That Remain. Weston, Mass: Cardinal Spellman Philatic Museum, 1992.

Cita MLA

Schwab, Henry. The Echoes That Remain. Cardinal Spellman Philatic Museum, 1992.