Παραπομπή σε μορφή APA (7η εκδ.)

Friedman, M., Brazeau, M., & Brazeau, M. (2011). Sequences, stratigraphy and scenarios: What can we say about the fossil record of the earliest tetrapods?

Παραπομπή σε μορφή Chicago (17η εκδ.)

Friedman, M., MD Brazeau, και MD Brazeau. Sequences, Stratigraphy and Scenarios: What Can We Say About the Fossil Record of the Earliest Tetrapods? 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Friedman, M., et al. Sequences, Stratigraphy and Scenarios: What Can We Say About the Fossil Record of the Earliest Tetrapods? 2011.