APA (7th ed.) Citation

Van Zeyst, H. G. A. (1977). Obstacles on the path. Metro Printers.

Chicago Style (17th ed.) Citation

Van Zeyst, H. G. A. Obstacles on the Path. Colombo: Metro Printers, 1977.

MLA (9th ed.) Citation

Van Zeyst, H. G. A. Obstacles on the Path. Metro Printers, 1977.

Warning: These citations may not always be 100% accurate.