Cita APA

Macaulay, A. J., & Nixon, P. G. (1977). Parascending: A safer alternative to hang gliding.

Chicago Style Citation

Macaulay, A J., i P G. Nixon. Parascending: A Safer Alternative to Hang Gliding. 1977.

Cita MLA

Macaulay, A J., i P G. Nixon. Parascending: A Safer Alternative to Hang Gliding. 1977.