<dependency>
  <groupId>org.http4s</groupId>
  <artifactId>blaze-core_2.11</artifactId>
  <version>0.12.3</version>
</dependency>

implementation 'org.http4s:blaze-core_2.11:0.12.3'

implementation("org.http4s:blaze-core_2.11:0.12.3")

libraryDependencies += "org.http4s" % "blaze-core_2.11" % "0.12.3"

@Grapes(
  @Grab(group='org.http4s', module='blaze-core_2.11', version='0.12.3')
)

<dependency org="org.http4s" name="blaze-core_2.11" rev="0.12.3" />

[org.http4s/blaze-core_2.11 "0.12.3"]

'org.http4s:blaze-core_2.11:jar:0.12.3'