APA citiranje

Schroeder, W. (1956). Practical astronomy: A new approach to an old science. Werner Laurie.

Chicago Style (17th ed.) Citation

Schroeder, W. Practical Astronomy: A New Approach to an Old Science. London: Werner Laurie, 1956.

MLA citiranje

Schroeder, W. Practical Astronomy: A New Approach to an Old Science. Werner Laurie, 1956.