Παραπομπή APA

Smith, D., & Newton, D. (1971). In History: Ships. Schafield and Sims.

Παραπομπή Chicago Style

Smith, David, και Derel Newton. In History: Ships. Huddersfield: Schafield and Sims, 1971.

Παραπομπή MLA

Smith, David, και Derel Newton. In History: Ships. Schafield and Sims, 1971.