models

//QuoteModel.php
<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class QuoteModel extends Model
{
    public function author()
    {
        return $this->belongsTo('App\AuthorModel');
    }
}

//AuthorModel.php
<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class AuthorModel extends Model
{
    public function quotes()
    {
        return $this->hasMany('App\QuoteModel');
    }
}