APA (7th ed.) Citation

Frost, H. (1982). Stone Anchors as Clues to Bronze Age Trade Routes.

Chicago Style (17th ed.) Citation

Frost, H. Stone Anchors as Clues to Bronze Age Trade Routes. Sofia, 1982.

MLA (8th ed.) Citation

Frost, H. Stone Anchors as Clues to Bronze Age Trade Routes. 1982.