APA引文

PARKER, B., & PARKER, L. (1985). Geography today. The Macmillan.

芝加哥风格引文

PARKER, B., 与 L. PARKER. Geography Today. South Melbourne: The Macmillan, 1985.

MLA引文

PARKER, B., 与 L. PARKER. Geography Today. The Macmillan, 1985.