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Quotations of less than 25 words are to be placed in the body of the text and inverted commas must be used:

Example:

Computers, data communications and electronic control devices have had a large impact on society. “The widespread use of computers has been described as the second industrial revolution” (Bishop 1985, p. 213)

Or

Reynolds (2000) argues that the Australian landscape was ‘skillfully managed and shaped’ (p. 20) by the Aboriginal people through the use of fire.

Generally, small units of quotations are more effective. Try to weave at least some short quotations (under 25 words) into your text, rather than always using longer block quotations. This makes your writing more fluent and tends to give it added depth.