APA-referens

American association of petroleum geologists. (1917). American association of petroleum geologists (AAPG) bulletin. American association of petroleum geologists, Inc.

Chicago-stil citat

American association of petroleum geologists. American Association of Petroleum Geologists (AAPG) Bulletin. Oklahoma: American association of petroleum geologists, Inc, 1917.

MLA-referens

American association of petroleum geologists. American Association of Petroleum Geologists (AAPG) Bulletin. American association of petroleum geologists, Inc, 1917.