APA (7th ed.) Citation

Fol, A., Marazov, I., & Zhelyaskova, N. (1977). Thrace and the Thracians / by Alexander Fol and Ivan Marazov. Cassell.

Chicago Style (17th ed.) Citation

Fol, A., Ivan Marazov, and Nevyana Zhelyaskova. Thrace and the Thracians / by Alexander Fol and Ivan Marazov. London: Cassell, 1977.

MLA (9th ed.) Citation

Fol, A., et al. Thrace and the Thracians / by Alexander Fol and Ivan Marazov. Cassell, 1977.

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