APA (7th ed.) Citation

Roys, R. L. (1960). The Maya katun prophecies of the books of Chilam Balam, series 1. [publisher not identified].

Chicago Style (17th ed.) Citation

Roys, Ralph Loveland. The Maya Katun Prophecies of the Books of Chilam Balam, Series 1. Washington: [publisher not identified], 1960.

MLA (9th ed.) Citation

Roys, Ralph Loveland. The Maya Katun Prophecies of the Books of Chilam Balam, Series 1. [publisher not identified], 1960.