APA استشهاد

Harding, W., & Moore, P. J. (1927). Hirudinea. Taylor and francis.

استشهاد بنمط شيكاغو

Harding, W.A, و Percy J. Moore. Hirudinea. London: Taylor and francis, 1927.

MLA استشهاد

Harding, W.A, و Percy J. Moore. Hirudinea. Taylor and francis, 1927.