Cita APA (7th ed.)
The American Philatelic Society Congress, Inc, Schneider, S., Fuerst, T. P. d. l. S. F. d. C., Brandeberry, R. B. S. d. C. F. A., Hahn, J. D., Sousa, J. M., . . . Weigelt, H. Forty-third American Philatelic Congress: October 7-9, 1977 : Palmer House Hotel.
Cita Chicago (17th ed.)
The American Philatelic Society Congress, Inc, et al. Forty-third American Philatelic Congress: October 7-9, 1977 : Palmer House Hotel.
Cita MLA (9th ed.)
The American Philatelic Society Congress, Inc, et al. Forty-third American Philatelic Congress: October 7-9, 1977 : Palmer House Hotel.
Atenció: Aquestes cites poden no estar 100% correctes.