APA (7. basım) Alıntı

Heppner, F. H. (1990). Professor Farnsworth's explanations in biology. McGraw-Hill.

Chicago Style (17. basım) Atıf

Heppner, Frank H. Professor Farnsworth's Explanations in Biology. New York: McGraw-Hill, 1990.

MLA (9th ed.) Atıf

Heppner, Frank H. Professor Farnsworth's Explanations in Biology. McGraw-Hill, 1990.