Map of Western Australia / Harry F. Johnston, surveyor general.
MLA
of Lands, Western Australia. Department, and Surveys. Map of Western Australia / Harry F. Johnston, Surveyor General. Dept. of Lands and Surveys, 1903. https://collections.library.yale.edu/catalog/15824510.
APA, 6th edition
of Lands, W. A. D., & S. (1903). Map of Western Australia / Harry F. Johnston, surveyor general. [Maps]. Dept. of Lands and Surveys, https://collections.library.yale.edu/catalog/15824510.