APA (7th ed.) Citation

Longyear, J. M. (1952). Copan ceramics: A study of southeastern Maya pottery. [publisher not identified].

Chicago Style (17th ed.) Citation

Longyear, John Munro. Copan Ceramics: A Study of Southeastern Maya Pottery. Washington: [publisher not identified], 1952.

MLA (9th ed.) Citation

Longyear, John Munro. Copan Ceramics: A Study of Southeastern Maya Pottery. [publisher not identified], 1952.