Παραπομπή APA

Wager, L. R., & Brown, G. M. (1967). Layered igneous rocks. Freeman.

Παραπομπή Chicago Style

Wager, L R., και G M. Brown. Layered Igneous Rocks. Sanfransisco: Freeman, 1967.

Παραπομπή MLA

Wager, L R., και G M. Brown. Layered Igneous Rocks. Freeman, 1967.