APA (7th ed.) Citation

Halstead, B. (1977). Tropical diving adventures: Papua New Guinea. Robert Brown & Associates.

Chicago Style (17th ed.) Citation

Halstead, Bob. Tropical Diving Adventures: Papua New Guinea. Port Moresby: Robert Brown & Associates, 1977.

MLA (9th ed.) Citation

Halstead, Bob. Tropical Diving Adventures: Papua New Guinea. Robert Brown & Associates, 1977.

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