APA (7th ed.) Citation

Friston, K. (2009). Causal modelling and brain connectivity in functional magnetic resonance imaging. PLoS biology, 7(2), e33-e1000033. https://doi.org/10.1371/journal.pbio.1000033

Chicago Style (17th ed.) Citation

Friston, Karl. "Causal Modelling and Brain Connectivity in Functional Magnetic Resonance Imaging." PLoS Biology 7, no. 2 (2009): e33-e1000033. https://doi.org/10.1371/journal.pbio.1000033.

MLA (9th ed.) Citation

Friston, Karl. "Causal Modelling and Brain Connectivity in Functional Magnetic Resonance Imaging." PLoS Biology, vol. 7, no. 2, 2009, pp. e33-e1000033, https://doi.org/10.1371/journal.pbio.1000033.