APA
KIERAN JOHN, KIERAN JOHN, . (1966). AN INTRODUCTION TO NATURE. USA: DOUBLE DAY AND COMPANY.
Chicago
KIERAN JOHN, KIERAN JOHN, . 1966. AN INTRODUCTION TO NATURE. USA: DOUBLE DAY AND COMPANY.
Harvard
KIERAN JOHN, KIERAN JOHN, . (1966). AN INTRODUCTION TO NATURE. USA: DOUBLE DAY AND COMPANY.
MLA
KIERAN JOHN, KIERAN JOHN, . AN INTRODUCTION TO NATURE. USA: DOUBLE DAY AND COMPANY. 1966.