APA

Gunn M. K., . (1969). A guide to academic protocol. New York: Columbia University Press.

Chicago

Gunn Mary Kemper, . 1969. A guide to academic protocol. New York: Columbia University Press.

Harvard

Gunn M. K., . (1969). A guide to academic protocol. New York: Columbia University Press.

MLA

Gunn Mary Kemper, . A guide to academic protocol. New York: Columbia University Press. 1969.