APA (7th ed.) Citation

Crawford, A. B., Nares, G. S., & Africa), T. S. (. (1948). Marion Island [cartographic material]. Mowbray, South Africa : Trigonometrical Survey Office, 1948.

Chicago Style (17th ed.) Citation

Crawford, A. B., George S. Nares, and Trigonometrical Survey (South Africa). Marion Island [cartographic Material]. Mowbray, South Africa : Trigonometrical Survey Office, 1948, 1948.

MLA (9th ed.) Citation

Crawford, A. B., et al. Marion Island [cartographic Material]. Mowbray, South Africa : Trigonometrical Survey Office, 1948, 1948.