How is an APA reference entry formatted?

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The reference list must be single$-$spaced and entries should have a ${0\mathrm{.}5}^{\text{'}\text{'}}$ hanging indent. Use your word processing program to automatically create the hanging indent rather than using tabs and hard returns.

The reference list must be double$-$spaced and entries should have a ${0\mathrm{.}5}^{\text{'}\text{'}}$ hanging indent. Use your word processing program to automatically create the hanging indent rather than using tabs and hard returns.

The reference list must be double$-$spaced and entries should have a ${0\mathrm{.}5}^{\text{'}\text{'}}$ hanging indent. Use your word processing program to create the hanging indent by using tabs and hard returns.

The reference list must be double$-$spaced and entries should have a ${0\mathrm{.}25}^{\text{'}\text{'}}$ hanging indent. Use your word processing program to create the hanging indent by using tabs and hard returns.