Cytowanie według stylu APA (wyd. 7)

Roemer, J., & Allen, C. F. (1926). Extra-curricular activities in junior and senior high school. D.C. Heath and company.

Cytowanie według stylu Chicago (wyd. 17)

Roemer, Joseph, i Charles Forrest Allen. Extra-curricular Activities in Junior and Senior High School. Boston, New York [etc.]: D.C. Heath and company, 1926.

Cytowanie według stylu MLA (wyd. 9)

Roemer, Joseph, i Charles Forrest Allen. Extra-curricular Activities in Junior and Senior High School. D.C. Heath and company, 1926.