APA (7th ed.) Citation

Keen, R. (1980). Index: Vol. I (1956)-Vol. XXV (1980) and Supplementary Vol. I (1973) and II (1976).

Chicago Style (17th ed.) Citation

Keen, Ralph. Index: Vol. I (1956)-Vol. XXV (1980) and Supplementary Vol. I (1973) and II (1976). 1980.

MLA (9th ed.) Citation

Keen, Ralph. Index: Vol. I (1956)-Vol. XXV (1980) and Supplementary Vol. I (1973) and II (1976). 1980.

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