Gaya APA

Swanson, C, P., Hansen, H. (NULL). The world almanac 1964 and book of fact . New: New York: New York World Telegram; 1964.

Gaya MLA

Swanson, Carl, P.., Hansen, Harry. "The world almanac 1964 and book of fact". New: New York: New York World Telegram; 1964, NULL. Text.