Παραπομπή σε μορφή APA (7η εκδ.)

Ryan, M. P. (1990). Symposium on magma transport and storage from source to eruption site: Magma transport and storage. John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ryan, Michael P. Symposium on Magma Transport and Storage from Source to Eruption Site: Magma Transport and Storage. Chichester: John Wiley & Sons, 1990.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ryan, Michael P. Symposium on Magma Transport and Storage from Source to Eruption Site: Magma Transport and Storage. John Wiley & Sons, 1990.