APA (7th ed.) Citation

Johnstone, P., & MacGrail, S. (1980). The Sea-Craft of prehistory. Harvard Univ. Pr.

Chicago Style (17th ed.) Citation

Johnstone, Paul, and Seán MacGrail. The Sea-Craft of Prehistory. Cambridge, Mass: Harvard Univ. Pr, 1980.

MLA (9th ed.) Citation

Johnstone, Paul, and Seán MacGrail. The Sea-Craft of Prehistory. Harvard Univ. Pr, 1980.

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