APA (7th ed.) Citation

Penrose, T. F. (1984). Mayan cryptoquantum numerations. Liberty Bell Assoc.

Chicago Style (17th ed.) Citation

Penrose, Thomas F. Mayan Cryptoquantum Numerations. Franklin Park, N.J: Liberty Bell Assoc, 1984.

MLA (9th ed.) Citation

Penrose, Thomas F. Mayan Cryptoquantum Numerations. Liberty Bell Assoc, 1984.

Warning: These citations may not always be 100% accurate.