APA (7th ed.) Citation

Porter, G. (1991). Singing the changes. Umea University.

Chicago Style (17th ed.) Citation

Porter, Gerald. Singing the Changes. Sweden: Umea University, 1991.

MLA (9th ed.) Citation

Porter, Gerald. Singing the Changes. Umea University, 1991.

Warning: These citations may not always be 100% accurate.