APA (7th ed.) Citation

Ryburn, R. J. (1975). Talasea-Gasmata, New Britain: Sheet SB/56-5 & SB/56-9 international index. Australian Government Publishing Service.

Chicago Style (17th ed.) Citation

Ryburn, R. J. Talasea-Gasmata, New Britain: Sheet SB/56-5 & SB/56-9 International Index. Canberra: Australian Government Publishing Service, 1975.

MLA (9th ed.) Citation

Ryburn, R. J. Talasea-Gasmata, New Britain: Sheet SB/56-5 & SB/56-9 International Index. Australian Government Publishing Service, 1975.