APA (7e ed.) Bronvermelding

Öpik, A. A. (1970). Nepeid trilobites of the Middle Cambrian of northern Australia. Bureau of Mineral Resources, Geology and Geophysics.

Chicago (17e ed.) Bronvermelding

Öpik, A. A. Nepeid Trilobites of the Middle Cambrian of Northern Australia. Canberra: Bureau of Mineral Resources, Geology and Geophysics, 1970.

MLA (8e ed.) Bronvermelding

Öpik, A. A. Nepeid Trilobites of the Middle Cambrian of Northern Australia. Bureau of Mineral Resources, Geology and Geophysics, 1970.

Let op: Deze citaties zijn niet altijd 100% accuraat.