APA (7th ed.) Citation

Stoney, P., MacKay, A., & Hawke, M. (1991). Schliemann, Schwartze, Virchow and the unusual christmas present.

Chicago Style (17th ed.) Citation

Stoney, Philip, Allison MacKay, and Michael Hawke. Schliemann, Schwartze, Virchow and the Unusual Christmas Present. 1991.

MLA (9th ed.) Citation

Stoney, Philip, et al. Schliemann, Schwartze, Virchow and the Unusual Christmas Present. 1991.

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