Cita APA

Schwab, H. (1992). The echoes that remain. Cardinal Spellman Philatelic Museum.

Citación estilo Chicago

Schwab, Henry. The Echoes That Remain. Weston, MA: Cardinal Spellman Philatelic Museum, 1992.

Cita MLA

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