एपीए उद्धरण

Shepard, F. P., & Dill, R. F. Submarine canyons and other sea valleys.

शिकागो स्टाइल उद्धरण

Shepard, Francis P., और Robert F. Dill. Submarine Canyons and Other Sea Valleys.

एमएलए उद्धरण

Shepard, Francis P., और Robert F. Dill. Submarine Canyons and Other Sea Valleys.