APA-referens

Davidson, N., & Gulick, F. (1976). Abstract algebra, an active learning approach. Houghton Mifflin.

Chicago-stil citat

Davidson, Neil, och Fraces Gulick. Abstract Algebra, an Active Learning Approach. Atlanta: Houghton Mifflin, 1976.

MLA-referens

Davidson, Neil, och Fraces Gulick. Abstract Algebra, an Active Learning Approach. Houghton Mifflin, 1976.